| Access Fiber Group (Crown Castle) | ACCFG | Formerly Access Fiber Group - Davidson County | Tennessee | Davidson |
| Aeneas Internet & Telephone | AENEAS | Chester, Hardeman, Haywood, and Madison Counties | Tennessee | Chester, Hardeman, Haywood, Madison |
| Alcoa Electric | ALCOEL | Maryville and Alcoa in Blount County | Tennessee | Blount |
| Appalachian Electric Cooperative | AEC | Portions of Jefferson, Grainger, Hamblen and Sevier Counties | Tennessee | Grainger, Hamblen, Jefferson, Sevier |
| Appalachian Power Company | AEPTN | All Appalachian Power Company service area in Hawkins, Johnson, Sullivan and Washington Counties | Tennessee | Hawkins, Johnson, Sullivan, Washington |
| Ardmore Telephone Company | ATCTN | Southern Lincoln & Giles Counties | Tennessee | Giles, Lincoln |
| AT&T Tennessee | BSETCH | East Tennessee - Rhea, Bledsoe, Meigs, Monroe, McMinn, Seqiatchie, Hamilton, Polk, Marion and Bradley Counties | Tennessee | Bledsoe, Bradley, Hamilton, Marion, McMinn, Meigs, Monroe, Polk, Rhea, Sequatchie |
| AT&T Tennessee | BSETKN | East Tennessee - Anderson, Blount, Campbell, Cocke, Claiborne, Grainger, Greene, Hamblen, Hancock, Hawkins, Jefferson, Knox, Loudon, Morgan, Sevier, Roane, Scott and Union Counties | Tennessee | Anderson, Blount, Campbell, Claiborne, Cocke, Grainger, Greene, Hamblen, Hancock, Hawkins, Jefferson, Knox, Loudon, Morgan, Roane, Scott, Sevier, Union |
| AT&T Tennessee | BSTCLK | Cheatham, Dickson, North Hickman, Humphreys, Montgomery and Stewarts Counties | Tennessee | Cheatham, Dickson, Hickman, Humphreys, Montgomery, Stewart |
| AT&T Tennessee | BSTCLM | Columbia & Southwest Middle TN - Giles, South Hickman, Lawrence, Lewis, Marshall and Maury Counties | Tennessee | Giles, Hickman, Lawrence, Lewis, Marshall, Maury |
| AT&T Tennessee | BSTDAV | Davidson and Williamson Counties | Tennessee | Davidson, Shelby, Williamson |
| AT&T Tennessee | BSTGAL | Sumner, Robertson, Wilson, Smith and Trousdale Counties | Tennessee | Robertson, Smith, Sumner, Trousdale, Wilson |
| AT&T Tennessee | BSTJXN | Jackson District - Benton, Carroll, Chester, Crockett, Decatur, Dyer, Gibson, Hardeman, Hardin, Haywood, Henderson, Henry, Lake, Lauderdale, Madison, McNairy, Obion and Weakley Counties | Tennessee | Benton, Carroll, Chester, Crockett, Decatur, Dyer, Gibson, Hardeman, Hardin, Haywood, Henderson, Henry, Lake, Lauderdale, Madison, McNairy, Obion, Weakley |
| AT&T Tennessee | BSTMEM | Shelby, Tipton and Fayette Counties | Tennessee | Fayette, Shelby, Tipton |
| AT&T Tennessee | BSTMRB | Bedford, Coffee, Franklin, Lincoln, Moore and Rutherford Counties | Tennessee | Bedford, Coffee, Franklin, Lincoln, Moore, Rutherford |
| AT&T Tennessee Mobility | ATTMTN | AT&T Mobility - Tennessee | Tennessee | Anderson, Bedford, Benton, Bledsoe, Blount, Bradley, Campbell, Cannon, Carroll, Carter, Cheatham, Chester, Claiborne, Clay, Cocke, Coffee, Crockett, Cumberland, Davidson, De Kalb, Decatur, DeKalb, Dickson, Dyer, Fayette, Fentress, Franklin, Gibson, Giles, Grainger, Greene, Grundy, Hamblen, Hamilton, Hancock, Hardeman, Hardin, Hawkins, Haywood, Henderson, Henry, Hickman, Houston, Humphreys, Jackson, Jefferson, Johnson, Knox, Lake, Lauderdale, Lawrence, Lewis, Lincoln, Loudon, Macon, Madison, Marion, Marshall, Maury, McMinn, McNairy, Meigs, Monroe, Montgomery, Moore, Morgan, Obion, Overton, Perry, Pickett, Polk, Putnam, Rhea, Roane, Robertson, Rutherford, Scott, Sequatchie, Sevier, Shelby, Smith, Stewart, Sullivan, Sumner, Tipton, Trousdale, Unicoi, Union, Van Buren, Warren, Washington, Wayne, Weakley, White, Williamson, Wilson |
| Athens Utilities Board | AUB | McMinn and Monroe Counties | Tennessee | McMinn, Monroe |
| Ben Lomand Telephone Co-op | BLTLMC | All of Grundy, Van Buren, Warren and White Counties; portions of Bedford, Coffee, Cumberland, Dekalb, Marion, and Rutherford Counties | Tennessee | Bedford, Coffee, Cumberland, DeKalb, Grundy, Marion, Rutherford, Van Buren, Warren, White |
| Benton County Electric | BCESTN | Benton County Electric | Tennessee | Benton |
| Blue Suede Networks, LLC | BLUSNW | Shelby County | Tennessee | Shelby |
| Bolivar Energy Authority | BEATN | All of Hardeman County with the exception of Whiteville and Middleton. Southeast Fayette County community of LaGrange and just east of Moscow on Hwy 57. Southwest Chester County just east/northeast of Silerton on Hwy 125N. South Madison County on Hwy 18N just south of Medon | Tennessee | Chester, Fayette, Hardeman |
| BrightRidge | BRIDGE | A 350 square mile territory covering the majority of Washington County (including Johnson City and Jonesborough); part of Sullivan County (including a small portion of Kingsport, Colonial Heights and Piney Flats areas); part of Carter County (Pinecrest Area) and part of Greene County (along the Greene and Washington County Line) | Tennessee | Sullivan, Washington |
| Brightspeed Tennessee | CENCHA | Formerly CenturyLink/Lumen
Chattanooga City - Hamilton County | Tennessee | Hamilton |
| Brightspeed Tennessee | CENOOL | Formerly CenturyLink/Lumen
Ooltewah, Cooledgedale, Apison | Tennessee | Hamilton |
| Brightspeed Tennessee | EQETN | Formerly CenturyLink/Lumen/Embarq - Carter, Greene, Hawkins, Johnson, Sullivan, Unicoi & Washington Counties | Tennessee | Carter, Greene, Hawkins, Johnson, Sullivan, Unicoi, Washington |
| Bristol Tennessee Essential Services | BTESTN | Bristol, Bluff City, Blountville, Piney Flats | Tennessee | Sullivan |
| Brownsville Energy Authority | BEA | City Limits of Brownsville | Tennessee | Haywood |
| Carroll County Electric | NPCCE | Non-participating member code for AT&T to use for Carroll County Electric | Tennessee | Carroll |
| CDE Lightband | CDEENG | CDE Engineering Department - Montgomery county withing the city limits of Clarksville | Tennessee | Montgomery |
| CDE Lightband | CDEFIB | CDE Fiber Department - Montgomery county withing the city limits of Clarksville | Tennessee | Montgomery |
| Charter Communications | CCCLEV | Bradley, Marion, Nhamilton, Rhea, and Meigs counties | Tennessee | Bradley, Hamilton, Marion, Meigs, Rhea |
| Charter Communications | CHRCOL | Maury, Williamson, Lawrence, Giles, Lewis, Hickman, Marshall, & Bedford counties | Tennessee | Bedford, Giles, Hickman, Lawrence, Lewis, Marshall, Maury, Williamson |
| Charter Communications | CHRHRD | Hardeman County for Bolivar Energy | Tennessee | Hardeman |
| Charter Communications | CHRHYW | Haywood County for Brownsville Utility | Tennessee | Haywood |
| Charter Communications | CHRMCK | Benton, Carroll, Chester, Gibson, Henry, Lake, Madison, Obion, Weakley Counties | Tennessee | Benton, Carroll, Chester, Gibson, Henry, Lake, Madison, Obion, Weakley |
| Charter Communications | CHRMCM | All of Warren County | Tennessee | Warren |
| Charter Communications | CHRSPE | Sparta, TN (White County) Lebanon, TN (Wilson County) Monterey, TN (Putnam County) Cookeville, TN (Putnam County) Baxter, TN (Putnam County) Crossville, TN (Cumberland County) Alexandria, TN (DeKalb County) | Tennessee | Cumberland, DeKalb, Putnam, White, Wilson |
| Charter Communications | CHRTRI | Tri-cities; includes Carter, Hawkins, Sullivan and Washington Counties | Tennessee | Carter, Hawkins, Sullivan, Washington |
| Charter Communications | CHRTUL | Tullahoma, Coffee, Bedford, Moore, Lincoln, Grundy, Franklin, Marion | Tennessee | Bedford, Coffee, Franklin, Grundy, Lincoln, Marion, Moore |
| Charter Communications | CHTBLO | Blount County | Tennessee | Blount |
| Charter Communications | CHTCLK | Cheatham, Montgomery, & Robertson counties - Ashland City, Clarksville, Pleasant View, Woodlawn | Tennessee | Cheatham, Montgomery, Robertson |
| Charter Communications | CHTKNO | Knox County | Tennessee | Knox |
| Charter Communications | CHTLOU | Loudon & Monroe Counties | Tennessee | Loudon, Monroe |
| Charter Communications | CHTMOR | Hamblen, Granger, Hawkins, Cocke, Jefferson, & Hancock Counties | Tennessee | Cocke, Grainger, Hamblen, Hancock, Hawkins, Jefferson |
| Charter Communications | CHTSAV | McNairy County - Savannah area | Tennessee | McNairy |
| Charter Communications | CHTSEV | Sevier County | Tennessee | Sevier |
| Chickasaw Electric Coop | CHKEC | Fayette, Haywood and Hardeman counties | Tennessee | Fayette, Hardeman, Haywood |
| City of Brentwood | CTYBWD | Brentwood, TN South of Nashville and North of Franklin | Tennessee | Williamson |
| City of Chattanooga | CHAT | Note: Code has no active users or contacts.
Chattanooga | Tennessee | Hamilton |
| City of Dayton Electric Dept. | CTYDAY | City of Dayton | Tennessee | Rhea |
| City of Forest Hills | CYFRHI | City of Forest Hills, Davidson County | Tennessee | Davidson |
| City of Hendersonville | CTYHEN | City of Hendersonville, Sumner County | Tennessee | Sumner |
| City of Knoxville - Traffic Engineering | KTE | Knoxville City Limits | Tennessee | Knox |
| City of Knoxville - Traffic Engineering - Streetlights | KTESL | Knoxville City Limits | Tennessee | Knox |
| City of Maryville Electric Department | CTYMED | City of Maryville and portions of Blount County | Tennessee | Blount |
| City of Oak Ridge Electric Department | CORED | Anderson and Roane Counties within the city limits of Oak Ridge. | Tennessee | Anderson, Roane |
| Cleveland Utilities | CLVUTL | Bradley County | Tennessee | Bradley |
| Clinton Utilities Board | CUBPWR | Eastern Morgan Co. (Coalfield and Petros);Anderson Co. (except City of Oak Ridge); NW Knox Co. near Anderson Co. line; SW Union Co. near Big Ridge; SE Campbell Co. (Cove Norris and Cherry Bottom); & NE Roane County | Tennessee | Anderson, Campbell, Knox, Roane, Union |
| Cloud 9 Wireless LLC | CLOUD9 | Lawrence County TN | Tennessee | Lawrence |
| Columbia Power and Water Systems | CPWS | Power System: Maury County | Tennessee | Maury |
| Columbia Power and Water Systems Broadband | CPWSBB | Broadband System: Maury County | Tennessee | Maury |
| Comcast Tennessee | COMCHT | Chattanooga Area | Tennessee | Hamilton, Marion, McMinn, Monroe, Polk, Sequatchie |
| Comcast Tennessee | COMGRY | Carter, Greene, Hamblen, Hawkins, Washington and Unicoi Counties | Tennessee | Carter, Greene, Hamblen, Hawkins, Unicoi, Washington |
| Comcast Tennessee | COMMEM | Shelby and Tipton Counties | Tennessee | Shelby, Tipton |
| Comcast Tennessee | COMNAS | Cheatham, Davidson, Dekalb, Dickson, Franklin, Hickman,
Humphreys, Macon, Montgomery, Moore, Robertson, Rutherford, Simpson, Smith, Sumner, Trousdale, Williamson and Wilson Counties | Tennessee | Cheatham, Davidson, Dickson, Franklin, Hickman, Humphreys, Macon, Montgomery, Moore, Robertson, Rutherford, Smith, Sumner, Trousdale, Williamson, Wilson |
| Comcast Tennessee | KNOX06 | Knox, Sevier, Blount, Union, Jefferson, Cocke, Morgan, Scott, Campbell, Anderson, Roane, Cumberland, Fentress, & Grainger Counties | Tennessee | Anderson, Blount, Campbell, Cocke, Cumberland, Fentress, Grainger, Jefferson, Knox, Morgan, Roane, Scott, Sevier, Union |
| Covington Electric System | COVECS | Tipton County | Tennessee | Tipton |
| Crockett Telephone Company, Inc. | CRCKTC | Crockett, Dyer County. TN | Tennessee | Dyer |
| Crown Castle | CRWNTN | All of Tennessee | Tennessee | Anderson, Bedford, Benton, Bledsoe, Blount, Bradley, Campbell, Cannon, Carroll, Carter, Cheatham, Chester, Claiborne, Clay, Cocke, Coffee, Crockett, Cumberland, Davidson, Decatur, DeKalb, Dickson, Dyer, Fayette, Fentress, Franklin, Gibson, Giles, Grainger, Greene, Grundy, Hamblen, Hamilton, Hancock, Hardeman, Hardin, Hawkins, Haywood, Henderson, Henry, Hickman, Houston, Humphreys, Jackson, Jefferson, Johnson, Knox, Lake, Lauderdale, Lawrence, Lewis, Lincoln, Loudon, Macon, Madison, Marion, Marshall, Maury, McMinn, McNairy, Meigs, Monroe, Montgomery, Moore, Morgan, Obion, Overton, Perry, Pickett, Polk, Putnam, Rhea, Roane, Robertson, Rutherford, Scott, Sequatchie, Sevier, Shelby, Smith, Stewart, Sullivan, Sumner, Tipton, Trousdale, Unicoi, Union, Van Buren, Warren, Washington, Wayne, Weakley, White, Williamson, Wilson |
| Cumberland EMC | CMBEMC | Stewart, Montgomery, Cheatham, Robertson, and Sumner Counties | Tennessee | Cheatham, Montgomery, Robertson, Stewart, Sumner |
| Cumberland EMC – Cumberland Connect | CMBFIB | Cheatham, Montgomery, Robertson, Stewart, Sumner | Tennessee | Cheatham, Montgomery, Robertson, Stewart, Sumner |
| Cumberland Valley Electric | CVETN | Very small parts of Campbell and Claiborne Counties | Tennessee | Campbell, Claiborne |
| DCI Donor Services | DCIDS | Nashville, TN Davidson County | Tennessee | Davidson |
| Dickson Electric System | DCKELE | Dickson, Montgomery, Houston, Humphreys, Hickman, Cheatham, and Williamson counties | Tennessee | Cheatham, Dickson, Hickman, Houston, Humphreys, Montgomery, Williamson |
| Duck River Electric Membership Corp | DREMC | Maury, Marshall, Bedford, Moore, Coffee, Franklin, northern Giles Counties | Tennessee | Bedford, Coffee, Franklin, Giles, Marshall, Maury, Moore |
| EarthLink Business | EBDTNC | Cumberland E of I 40 and W of TN RT 298, Davidson E of I65 and S of TN RT 1, Dickson S of TN RT 46 and N of H 70 W, Putnam S of TN RT 24 and W of TN RT 135 | Tennessee | Cumberland, Davidson, Dickson, Putnam |
| EarthLink Business | EBDTNS | Bradley throughout county, Hamilton SW of TN RT 2 and E of US RT 41, Shelby throughout county | Tennessee | Bradley, Hamilton, Shelby |
| EarthLink Business | EBDTNW | Madison E of US RT 45 and S of US RT 70 | Tennessee | Madison |
| Electric Power Board of Chattanooga | EPBTN | All of Hamilton County, Portions of Marion, Sequatchie, Bledsoe, Meigs, Bradley | Tennessee | Bledsoe, Bradley, Hamilton, Marion, Meigs, Sequatchie |
| Elizabethton Electric | ELIZEL | Carter, Sullivan, Washington, and Unicoi Counties | Tennessee | Carter, Sullivan, Unicoi, Washington |
| ENetworks LLC | ENTTN | Entire state of Tennessee | Tennessee | Anderson, Bedford, Benton, Bledsoe, Blount, Bradley, Campbell, Cannon, Carroll, Carter, Cheatham, Chester, Claiborne, Clay, Cocke, Coffee, Crockett, Cumberland, Davidson, Decatur, DeKalb, Dickson, Dyer, Fayette, Fentress, Franklin, Gibson, Giles, Grainger, Greene, Grundy, Hamblen, Hamilton, Hancock, Hardeman, Hardin, Hawkins, Haywood, Henderson, Henry, Hickman, Houston, Humphreys, Jackson, Jefferson, Johnson, Knox, Lake, Lauderdale, Lawrence, Lewis, Lincoln, Loudon, Macon, Madison, Marion, Marshall, Maury, McMinn, McNairy, Meigs, Monroe, Montgomery, Moore, Morgan, Obion, Overton, Perry, Pickett, Polk, Putnam, Rhea, Roane, Robertson, Rutherford, Scott, Sequatchie, Sevier, Shelby, Smith, Stewart, Sullivan, Sumner, Tipton, Trousdale, Unicoi, Union, Van Buren, Warren, Washington, Wayne, Weakley, White, Williamson, Wilson |
| Eplus Broadband JEA | EPLUSB | Madison County TN | Tennessee | Madison |
| Erwin Utilities | ERWIN | Carter County along Whispering Pines Road, Parts of Unicoi and Washington Counties. | Tennessee | Carter, Unicoi, Washington |
| Etowah Utilities | ETOWA | McMinn, Polk, and Monroe Counties | Tennessee | McMinn, Monroe, Polk |
| Extenet Systems | XNETTN | State of Tennessee | Tennessee | Anderson, Bedford, Benton, Bledsoe, Blount, Bradley, Campbell, Cannon, Carroll, Carter, Cheatham, Chester, Claiborne, Clay, Cocke, Coffee, Crockett, Cumberland, Davidson, Decatur, DeKalb, Dickson, Dyer, Fayette, Fentress, Franklin, Gibson, Giles, Grainger, Greene, Grundy, Hamblen, Hamilton, Hancock, Hardeman, Hardin, Hawkins, Haywood, Henderson, Henry, Hickman, Houston, Humphreys, Jackson, Jefferson, Johnson, Knox, Lake, Lauderdale, Lawrence, Lewis, Lincoln, Loudon, Macon, Madison, Marion, Marshall, Maury, McMinn, McNairy, Meigs, Monroe, Montgomery, Moore, Morgan, Obion, Overton, Perry, Pickett, Polk, Putnam, Rhea, Roane, Robertson, Rutherford, Scott, Sequatchie, Sevier, Shelby, Smith, Stewart, Sullivan, Sumner, Tipton, Trousdale, Unicoi, Union, Van Buren, Warren, Washington, Wayne, Weakley, White, Williamson, Wilson |
| Fayetteville Public Utilities | FPUTN | Electric Department - Lincoln County | Tennessee | Lincoln |
| Fayetteville Public Utilities | FPUTNT | Telecom - All of Lincoln County | Tennessee | Lincoln |
| Forked Deer Electric Cooperative Inc. | FRKDTN | Lauderdale, Dyer, Crockett, Haywood Counties | Tennessee | Crockett, Dyer, Haywood, Lauderdale |
| Fort Loudoun Electric Cooperative | FLEC | Monroe County east of Sands Road, including the Reed Springs Area and areas South of State Route 322. Loudon County east of the Little TN River and the southern portion of Philadelphia. Blount County areas to include all of Friendsville, the western side
Updated to Mike Atkins per Cory Mills 10/18/18 | Tennessee | Blount, Loudon, Monroe |
| French Broad Electric Membership Corporation | FRBRTN | Cocke and Unicoi (TN) | Tennessee | Cocke, Unicoi |
| Frontier Communications Solutions | FCS | Northwest Knox County and Northwest Grainger County | Tennessee | Grainger, Henderson, Knox |
| Gallatin Dept. of Electricity | GALELE | City limits of Gallatin | Tennessee | Sumner |
| Gibson Electric Membership Corporation TN | GEMCTN | Crockett,Gibson,Lake,Obion
Parts of: Dyer, Haywood, Madison, Weakley | Tennessee | Crockett, Dyer, Gibson, Haywood, Lake, Madison, Obion, Weakley |
| Google - Nashville, TN | GOOGTN | City of Nashville & Davidson County | Tennessee | Davidson |
| Greeneville Light & Power System | GLPS | Greene County with a slight overlap into Washington and Cocke Counties | Tennessee | Cocke, Greene, Washington |
| Hamilton County | HAMTN | Hamilton | Tennessee | Hamilton |
| Harriman Utility Board | HRMNUB | Parts of Roane and Morgan Counties including all of Harriman and Oakdale and Up to Oliver Springs Tn. | Tennessee | Morgan, Roane |
| Highland Telephone Cooperative | HLTETN | East Tenneessee | Tennessee | Campbell, Morgan, Scott |
| Holston Electric Cooperative | HECOOP | HAWKINS COUNTY-CITY OF CHURCH HILL TO MT. CARMEL ALONG CLINCH MOUNTAIN EXTENDING TO GREEN COUNTY LINE. HAMBLEN COUNTY-SOUTHERN MOST PORTION FROM JEFFERSON COUNTY TO COCKE COUNTY | Tennessee | Cocke, Greene, Hamblen, Hawkins, Jefferson |
| HolstonConnect LLC | HLSTCN | HAWKINS COUNTY-CITY OF CHURCH HILL TO MT. CARMEL ALONG CLINCH MOUNTAIN EXTENDING TO GREEN COUNTY LINE. HAMBLEN COUNTY-SOUTHERN MOST PORTION FROM JEFFERSON COUNTY TO COCKE COUNTY (Counties: Cocke, Greene, Hamblen, Hawkins, Jefferson) | Tennessee | Cocke, Greene, Hamblen, Hawkins, Jefferson |
| Jackson Energy Authority | JEA | Madison | Tennessee | Madison |
| Jellico Utilities Authority | JUTN | Campbell County, TN | Tennessee | Campbell |
| Knology | KNOKNX | Knox County - Knoxville | Tennessee | Knox |
| Knoxville Utilities Board | KUB | City of Knoxville, most of Knox County, part of Union Co., part of Grainger Co., part of Sevier Co., small portions of Blount Co., Loudon Co., Jefferson Co., & Anderson Co. | Tennessee | Anderson, Blount, Grainger, Jefferson, Knox, Loudon, Sevier, Union |
| Knoxville’s Community Development Corporation (KCDC) | KCDC | Located with the City of Knoxville and Knox County, Tennessee | Tennessee | Knox |
| LaFollette Utilities Board | LUB | Cambell, Claiborne, and Union counties | Tennessee | Campbell, Claiborne, Union |
| Lawrenceburg Utility System | LBUS | All of Lawrence County which includes the cities of Lawrenceburg, Ethridge, Leoma, Loretto, St. Joe, Iron City | Tennessee | Lawrence |
| Lenoir City Utility Board | LCUB | Northeast Loudon, West Knox, and South Roane Counties | Tennessee | Knox, Loudon, Roane |
| Level 3 Metro Services | L3NAS | Formerly TelCove - Davidson, Sumner, Wilson, Williamson, Rutherford | Tennessee | Davidson, Rutherford, Sumner, Williamson, Wilson |
| Lewisberg Electric System | LEWBES | Inside Lewisburg City Limits | Tennessee | Marshall |
| Lexington Electric System | LEXES | Municipal Electric Utility System serving most of Henderson County, most of Decatur County, northwest Hardin County, southern Carroll County, and southwest Benton County. LES serves the communities of Lexington, Parsons, Decaturville, Scotts Hill, Sardis, and Saltillo | Tennessee | Benton, Carroll, Decatur, Hardin, Henderson |
| LMK Communications DBA Segra | LMKTN | | Tennessee | Anderson, Bedford, Benton, Bledsoe, Blount, Bradley, Campbell, Cannon, Carroll, Carter, Cheatham, Chester, Claiborne, Clay, Cocke, Coffee, Crockett, Cumberland, Davidson, Decatur, DeKalb, Dickson, Dyer, Fayette, Fentress, Franklin, Gibson, Giles, Grainger, Greene, Grundy, Hamblen, Hamilton, Hancock, Hardeman, Hardin, Hawkins, Haywood, Henderson, Henry, Hickman, Houston, Humphreys, Jackson, Jefferson, Johnson, Knox, Lake, Lauderdale, Lawrence, Lewis, Lincoln, Loudon, Macon, Madison, Marion, Marshall, Maury, McMinn, McNairy, Meigs, Monroe, Montgomery, Moore, Morgan, Obion, Overton, Perry, Pickett, Polk, Putnam, Rhea, Roane, Robertson, Rutherford, Scott, Sequatchie, Sevier, Shelby, Smith, Stewart, Sullivan, Sumner, Tipton, Trousdale, Unicoi, Union, Van Buren, Warren, Washington, Wayne, Weakley, White, Williamson, Wilson |
| Loudon Utilities Board | LOUDON | Southern half of Loudon County bounded by Meigs County line to west and Stockton Valley Rd, South to New Hope Rd and to Monroe County line, then east along county line to Reed Springs Rd, then into Monroe County east of Philadelphia with southern boundary being Smith Rd, McCallie Rd, Seed Tick Rd and Eve Mill Rd. Sweetwater-Vonore Rd Southwest to Bledsoe Rd. Summit Rd road then south along Brakebill Rd, and south along Hwy 72 to intersection with Old Slag Rd over to and including town of Vonore. Mountain View Rd to intersection with Niles Ferry Rd. 1600' of Niles Ferry Rd from Hwy 411, and then bounded by Tennessee River on North and Tellico Lake on the Southeast and Avecor Dr. on the East and North. From North of Vonore, the service area is bounded by Tellico Lake on the east up to Fort Loudoun Dam, then bounded by the Tennessee River to the North. At Loudon, on east side of Tennessee River, the service area includes industries along Blair Bend Dr. | Tennessee | Loudon, Monroe |
| Lumen Technologies | TRICTY | Bristol, Kingsport and Johnson City | Tennessee | Sullivan, Washington |
| MCI | MCITNS | Knox, Blount, Anderson, Loudon, Sevier | Tennessee | Anderson, Blount, Knox, Loudon, Sevier |
| McMinnville Electric System | MESSEM | City of McMinnville and some areas outside of city limits | Tennessee | Warren |
| Mediacom Communications | MEDCM3 | Stewart County, TN | Tennessee | Stewart |
| Mediacom Communications | MEDFNK | Franklin, Lincoln and Giles Counties - Tennessee | Tennessee | Franklin, Giles, Lincoln |
| MegaWatt Communications | MWCOM | Lewisburg | Tennessee | Marshall |
| Memphis Light Gas and Water | MLGW | Shelby County | Tennessee | Shelby |
| Meriwether Lewis Electric Cooperative | NPMLEC | Non-participating member code for Meriwether Lewis Electric Cooperative | Tennessee | Hickman, Houston, Humphreys, Lewis, Perry |
| Metro Public Works | MPWTOP | Traffic Operations - Davidson County City Limits | Tennessee | Davidson |
| Metropolitan Government of Nashville | NASHTN | Davidson County | Tennessee | Davidson |
| Middle TN Broadband | MTNBB | Bedford County, including Shelbyville & Unionville; Marshall County, including Chapel Hill; Rutherford County, including Eagleville; Williamson County, including College Grove & Nolensville; Surgoinsville in Hawkins County | Tennessee | Bedford, Hawkins, Marshall, Rutherford, Williamson |
| Middle TN Electric Membership Corp | MTEMC | Cannon, Rutherford, Williamson and Wilson Counties | Tennessee | Cannon, Rutherford, Williamson, Wilson |
| Milan Public Utility | MPUTN | Parts of Gibson, Carroll and Madison County Tennessee | Tennessee | Carroll, Gibson, Madison |
| Monster Broadband Inc. | MONBRB | Bedford, Coffee, Franklin, Giles, Lawrence, Lincoln, and Moore county, Tennessee | Tennessee | Bedford, Coffee, Franklin, Giles, Lawrence, Lincoln, Moore |
| Morristown Utility Systems Electric | MUSELE | Power Only - Hamblen County | Tennessee | Hamblen |
| Morristown Utility Systems Fiber | MUSFBR | Hamblen County | Tennessee | Hamblen |
| Mount Pleasant Power System | MTPSPS | Lawrence, Lewis & Maury Counties | Tennessee | Lawrence, Lewis, Maury |
| Mountain Electric Cooperative | MECMC | All of Johnson County TN; Carter County TN east of Watauga Point Recreational Area on Hwy 67 to the NC state line
Enabled Auto Close 1/21/19 | Tennessee | Carter, Johnson |
| Mountain Electric Cooperative | MECRM | Carter County, TN east of the intersection of State Route 361 and Hwy 19E to the NC state line. | Tennessee | Carter |
| Murfreesboro Electric Department | MED | City of Murfreesboro, Rutherford County | Tennessee | Rutherford |
| Nashville Electric Services | NESDPP | Pole Pulling Crew Donelson Service Center (DSC) servicing the western portion of the NES service area which include portions of Davidson, Cheatham, Williamson and Robertson counties. | Tennessee | Davidson, Robertson, Rutherford, Sumner, Williamson, Wilson |
| Nashville Electric Services | NESDSC | T&D Donelson Service Center (DSC) servicing the Eastern half of the NES service area which include portions of Davidson , Sumner, Wilson, Rutherford, Williamson and Robertson counties | Tennessee | Davidson, Robertson, Rutherford, Sumner, Williamson, Wilson |
| Nashville Electric Services | NESENG | Engineering Department - servicing all of Davidson County and portions of Rutherford, Williamson, Wilson, Sumner, Cheatham, & Robertson Counties | Tennessee | Cheatham, Davidson, Robertson, Rutherford, Sumner, Williamson, Wilson |
| Nashville Electric Services | NESFIB | Fiber - Davidson, Sumner, Williamson counties | Tennessee | Davidson, Sumner, Williamson |
| Nashville Electric Services | NESMAP | Mapping Department - Nashville Electric Services - Servicing for Cheatham, Davidson, Robertson, Rutherford, Sumner, Williamson, & Wilson Counties | Tennessee | Cheatham, Davidson, Robertson, Rutherford, Sumner, Williamson, Wilson |
| Nashville Electric Services | NESNPP | Pole Pulling Crew North Service Center (NSC) servicing the Northern half of the NES service area which includes portions of Davidson, Robertson, Sumner, and Wilson Counties | Tennessee | Davidson, Robertson, Sumner, Wilson |
| Nashville Electric Services | NESNSC | T&D North Service Center (NSC) servicing the Northern half of the NES service area which includes portions of Davidson, Robertson, Sumner, and Wilson Counties. | Tennessee | Davidson, Robertson, Sumner, Wilson |
| Nashville Electric Services | NESWPP | Pole Pulling Crew West Service Center (WSC) servicing the western portion of the NES service area which include portions of Davidson, Cheatham, Williamson and Robertson counties. | Tennessee | Cheatham, Davidson, Robertson, Williamson |
| Nashville Electric Services | NESWSC | T&D West Service Center (WSC) servicing the western portion of the NES service area which include portions of Davidson, Cheatham, Williamson and Robertson counties. | Tennessee | Cheatham, Davidson, Robertson, Williamson |
| Newport Utilities | NEWUTI | Cocke County and parts of Sevier & Jefferson counties | Tennessee | Cocke, Jefferson, Sevier |
| North Central Telephone Cooperative | NCTCTN | Clay, Macon, Smith, Sumner, and Trousdale Counties | Tennessee | Clay, Macon, Smith, Sumner, Trousdale |
| Paris Board of Public Utilities | PARBPU | Henry County | Tennessee | Henry |
| Peace Communications | NPPCOM | Non-Participating code for Peace Communications - Hamilton County | Tennessee | Hamilton |
| Peoples Telephone Company | PEOPTC | Henry, Benton, Houston County. TN | Tennessee | Houston |
| Pickwick Electric Cooperative | PICKTN | McNairy County; Hardin County, west of the Tennessee River; Chester County, in the southwest and southeast corners of the county | Tennessee | Chester, Hardin, McNairy |
| Point Broadband Fiber Holding, LLC | JTMBR | Lewis, Lawrence, Wayne and Maury county
Formerly JTM Broadband | Tennessee | Lawrence, Lewis, Maury, Wayne |
| Pulaski Electric System | PES | Giles County | Tennessee | Giles, Lawrence, Lincoln |
| Pulaski Electric System | PESENE | PES cable TV Giles County | Tennessee | Giles, Lawrence, Lincoln |
| Rockwood Electric Utility | REUED | Roane, Morgan, Cumberland counties | Tennessee | Cumberland, Morgan, Roane |
| Sequachee Valley EC | SVEC | Grundy, Marian, Sequachee, Bledsoe, Van Burean, Cumberland, Rhea, Hamilton, Coffee, Franklin | Tennessee | Bledsoe, Coffee, Cumberland, Franklin, Grundy, Hamilton, Marion, Rhea, Sequatchie, Van Buren |
| Sevier County Electric System | SEVCES | Portions of Sevier, Blount and Jefferson Counties | Tennessee | Blount, Jefferson, Sevier |
| Shelbyville Power System | SHLPWR | The majority of our service territory is within the City Limits of Shelbyville, TN | Tennessee | Bedford |
| Skyline Telephone | SKY02 | Johnson County | Tennessee | Johnson |
| Small Town Cable | STWNCB | Bedford, Giles, Hawkins, Marshall, Rutherford and Williamson Counties | Tennessee | Bedford, Giles, Hawkins, Marshall, Rutherford, Williamson |
| Smithville Electric System | SMTVES | DeKalb County within city limits of Smithville | Tennessee | DeKalb |
| Source Broadband Services | SBBSTN | TN Area - Washington, Sullivan, Carter, and Unicoi counties | Tennessee | Carter, Sullivan, Unicoi, Washington |
| Southwest Tennessee EMC | STEMC | Primary Counties: Chester, Madison, Haywood and Tipton - Other Counites: Henderson, McNairy, Hardeman, Fayette, Shelby, Lauderdale and Crockett | Tennessee | Chester, Crockett, Fayette, Hardeman, Haywood, Henderson, Lauderdale, Madison, McNairy, Shelby, Tipton |
| Sparta Electric System | SPARTN | City limits of Sparta, TN | Tennessee | White |
| Springfield Electric Department | SPFLTN | City of Springfield, Robertson County | Tennessee | Robertson |
| Sweetwater Utilities Board | SUBEWG | North Western Monroe County, North Eastern McMinn County, Extreme Eastern Meigs County,South Eastern Roane County and Southern Loudon County | Tennessee | Loudon, McMinn, Meigs, Monroe, Roane |
| TDS - Concord Telephone | TDSCNF | Farragut/Concord towns in Knox County | Tennessee | Knox |
| TDS - Humphreys County Telephone | TDSNJV | New Johnsonville in Humphreys County | Tennessee | Humphreys |
| TDS - Tellico Plains Telephone Company | TDSTPT | Tellico Plains, Coker Creek, Ball Play, Englewood, Vonroe, Niota and Riceville | Tennessee | Loudon, McMinn, Monroe |
| TDS - Tennessee Telephone | TDSWTN | Bruceton, Parsons, Darden, Decaturville, Scotts Hill, Sardis, Linden, Lobelville, Waynesboro, Clifton & Collinwood | Tennessee | Benton, Carroll, Decatur, Henderson, Perry, Wayne |
| TDS Telecom | TDSHCR | Northeast Knox County | Tennessee | Knox |
| TDS Telecom | TDSMTJ | LaVergne, Antioch, Cornersville, and Mt Juliet in Marshall, Wilson, Rutherford and Davidson Counties | Tennessee | Davidson, Marshall, Rutherford, Wilson |
| Tennessee Municipal Electric Power Association | TMEPA | Tennessee Municipal Electric Power Association | Tennessee | Anderson, Bedford, Benton, Bledsoe, Blount, Bradley, Campbell, Cannon, Carroll, Carter, Cheatham, Chester, Claiborne, Clay, Cocke, Coffee, Crockett, Cumberland, Davidson, Decatur, DeKalb, Dickson, Dyer, Fayette, Fentress, Franklin, Gibson, Giles, Grainger, Greene, Grundy, Hamblen, Hamilton, Hancock, Hardeman, Hardin, Hawkins, Haywood, Henderson, Henry, Hickman, Houston, Humphreys, Jackson, Jefferson, Johnson, Knox, Lake, Lauderdale, Lawrence, Lewis, Lincoln, Loudon, Macon, Madison, Marion, Marshall, Maury, McMinn, McNairy, Meigs, Monroe, Montgomery, Moore, Morgan, Obion, Overton, Perry, Pickett, Polk, Putnam, Rhea, Roane, Robertson, Rutherford, Scott, Sequatchie, Sevier, Shelby, Smith, Stewart, Sullivan, Sumner, Tipton, Trousdale, Unicoi, Union, Van Buren, Warren, Washington, Wayne, Weakley, White, Williamson, Wilson |
| Tennessee Valley EC | TVEC01 | Hardin, Wayne Counties | Tennessee | Hardin, Wayne |
| Time Warner Cable (Charter Communications) | DUKNTN | Formerly DukeNet: Davidson County | Tennessee | Davidson |
| Time Warner Cable (Charter Communications) | TWCCBE | Claiborne County | Tennessee | Claiborne |
| TN Backhaul Networks, LLC | TNBHNT | | Tennessee | Anderson, Bedford, Benton, Bledsoe, Blount, Bradley, Campbell, Cannon, Carroll, Carter, Cheatham, Chester, Claiborne, Clay, Cocke, Coffee, Crockett, Cumberland, Davidson, Decatur, DeKalb, Dickson, Dyer, Fayette, Fentress, Franklin, Gibson, Giles, Grainger, Greene, Grundy, Hamblen, Hamilton, Hancock, Hardeman, Hardin, Hawkins, Haywood, Henderson, Henry, Hickman, Houston, Humphreys, Jackson, Jefferson, Johnson, Knox, Lake, Lauderdale, Lawrence, Lewis, Lincoln, Loudon, Macon, Madison, Marion, Marshall, Maury, McMinn, McNairy, Meigs, Monroe, Montgomery, Moore, Morgan, Obion, Overton, Perry, Pickett, Polk, Putnam, Rhea, Roane, Robertson, Rutherford, Scott, Sequatchie, Sevier, Shelby, Smith, Stewart, Sullivan, Sumner, Tipton, Trousdale, Unicoi, Union, Van Buren, Warren, Washington, Wayne, Weakley, White, Williamson, Wilson |
| Town of Smyrna | SMYRTN | Town of Smyrna, TN | Tennessee | Rutherford |
| Tri-County Electric | NPMDSO | Non participating member code for Midsouth Cable for Tri-County Electric use only | Tennessee | Clay, Jackson, Macon, Overton |
| Tri-County Electric (NP Twin Lakes Tele) | NPTWLA | Non participating member code for Twin Lakes Telephone for Tri-County Electric use only | Tennessee | Clay, Jackson, Macon, Overton |
| Tri-County EMC | TCETN | Clay, Jackson, Macon, Overton, Smith, Sumner and Trousdale Counties | Tennessee | Clay, Jackson, Macon, Overton, Smith, Sumner, Trousdale |
| Tullahoma Utilities Authority | TUA | Tullahoma City Limits & portions of North Franklin County along hwy 41a south & hwy 130, Northeast Moore County along hwy 55 & hwy 130, & Eastern Coffee County along Short Springs Rd & J.D. Neal Rd to Normandy Lake Water Intake | Tennessee | Coffee, Franklin, Moore |
| Union City Electric System | UCE | Obion County | Tennessee | Obion |
| United Telephone Company | UTCMTN | Bedford County - Flat Creek and Unionville; Davidson County - Antioch to Sugar Valley; Franklin County - Estill Springs; Marshall County - Chapel Hill and Belfast; Rutherford County - Fosterville; Williamson County - Nolensville and Brentwood to Crockett Rd. | Tennessee | Bedford, Davidson, Franklin, Marshall, Rutherford, Williamson, Wilson |
| Uniti | UNILTN | Franklin Co. - Winchester, Belvidere
Shelby Co - Memphis, Bartlett | Tennessee | Franklin, Shelby |
| University of Tennessee-Telephone Services | UTTLSR | Knoxville, TN (Knox County) | Tennessee | Knox |
| Verizon Wireless - Tennessee | VZWNAS | Nashville and everything eastward | Tennessee | Davidson |
| Vero Fiber Networks (TN) | VEROTN | Tennessee (TN) Counties: Bedford, Carroll, Henderson, Decatur, Monroe, Wilson | Tennessee | Bedford, Carroll, Decatur, Henderson, Monroe, Wilson |
| Volunteer Energy Cooperative | VEC | All or part of the following counties: Pickett, Overton, Fentress, Scott, Morgan, Putnam, Cumberland, White, Roane, Bledsoe, Rhea, Meigs, Loudon, McMinn, Hamilton, Bradley, Polk | Tennessee | Bledsoe, Bradley, Cumberland, Fentress, Hamilton, Loudon, McMinn, Meigs, Morgan, Overton, Pickett, Polk, Putnam, Rhea, Roane, Scott, White |
| Vyve Broadband | VYVETN | Cumberland Gap, Harrogate, New Tazewell, Speedwelll, Tazewell - Claiborne County | Tennessee | Claiborne |
| West Tennessee Telephone Company, Inc. | WTNTCO | Gibson, Carroll County. TN | Tennessee | Carroll, Gibson |
| Winchester Utility System | WCHUTS | | Tennessee | Franklin |
| Windstream Tennessee | NDLTN | Formerly Nashville Data Link - Davidson County | Tennessee | Davidson |
| Windstream Tennessee KDL | KDLTN | Formerly KDL - Cheatham, Cumberland, Dickson, Greene, Hamblen, Hamilton, Hickman, Houston, Humphreys, Jefferson, Knox, Meigs, Montgomery, Putnam, Rhea, Roane, Sevier, Shelby, Sullivan, Washington & Williamson Counties | Tennessee | Cheatham, Cumberland, Dickson, Greene, Hamblen, Hamilton, Hickman, Houston, Humphreys, Jefferson, Knox, Meigs, Montgomery, Putnam, Rhea, Roane, Rutherford, Sevier, Shelby, Sullivan, Washington, Williamson |
| XO Communications | XOMETN | Shelby County | Tennessee | Shelby |
| XO Communications | XONASH | Davidson and Williamson Counties | Tennessee | Davidson, Williamson |
| Zayo Fiber Solutions | AFSINC | Formerly American Fiber Systems - Davidson County | Tennessee | Cheatham, Davidson, Robertson, Rutherford, Sumner, Williamson, Wilson |
| Zayo Fiber Solutions | ZAYMEM | Shelby County | Tennessee | Shelby |
| Zayo Group | ZAYGTN | Chattanooga, TN | Tennessee | Anderson, Blount, Bradley, Campbell, Carter, Claiborne, Cocke, Cumberland, Grainger, Greene, Hamblen, Hamilton, Hancock, Hawkins, Jefferson, Johnson, Knox, Loudon, Marion, McMinn, Meigs, Monroe, Morgan, Roane, Scott, Sequatchie, Sevier, Sullivan, Unicoi, Union |