| 8 Birds Video, Inc. | BIRDSV | Wilkes-Barre, PA in Luzerne County | Pennsylvania | Luzerne |
| Adams Cable Service | ADCBPA | Northeastern Pennsylvania; mainly parts of Lackawanna, Wayne and Susquehanna Counties | Pennsylvania | Lackawanna, Susquehanna, Wayne |
| Adams Electric Cooperative | ADAMEC | South Central PA (Adams, Cumberland, Franklin, and York Counties) | Pennsylvania | Adams, Cumberland, Franklin, York |
| Allentown City, Lehigh Co. | NPALLE | Non-Participating code set up by PPL Electric: Lehigh | Pennsylvania | Lehigh |
| Armstrong Cable Services – Rising Sun | ARMCPN | In York County PA – Lower Chanceford Twp, Peach Bottom Twp , Stewartstown Boro , Winterstown Boro , Shrewsbury Boro , North Hopewell Twp , Fawn Twp,
Delta Boro , East Hopewell Twp , Fawn Grove Boro , Cross Roads Boro , Hopewell Twp , Chanceford Twp
In Chester County PA – Lower Oxford Twp , East Nottingham Twp , Oxford Boro , West Nottingham Twp , West Fallowfield Twp , Upper Oxford Twp , Londonderry Twp , Elk Twp | Pennsylvania | Chester, York |
| Armstrong Telephone Company | ARMTEL | Beaver County | Pennsylvania | Beaver |
| AT&T Mobility | ATTPAM | Bradford, Tioga, Warren, Cameron, Elk, McKean, Potter | Pennsylvania | Bradford, Elk, Mckean, Potter, Tioga, Warren |
| AT&T Mobility Services LLC | ATTMPA | ADAMS, BERKS, BUCKS, CARBON, CENTRE, CHESTER, CLINTON, COLUMBIA, CUMBERLAND, DAUPHIN, DELAWARE, JUNIATA, LACKAWANNA, LANCASTER, LEBANON, LEHIGH, LUZERNE, LYCOMING, MIFFLIN, MONROE, MONTGOMERY, MONTOUR, NORTHAMPTON, NORTHUMBERLAND, PERRY, PHILADELPHIA, PIKE, SCHUYLKILL, SNYDER, SULLIVAN, SUSQUEHANNA, UNION, WAYNE, WYOMING, YORK counties | Pennsylvania | Adams, Berks, Bucks, Carbon, Centre, Chester, Clinton, Columbia, Cumberland, Dauphin, Delaware, Juniata, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Lycoming, Mifflin, Monroe, Montgomery, Montour, Northampton, Northumberland, Perry, Philadelphia, Pike, Schuylkill, Snyder, Sullivan, Susquehanna, Union, Wayne, Wyoming, York |
| Blue Ridge Communications | BRCTV | Carbon County | Pennsylvania | Carbon |
| Boro of Quakertown | QTOWN | Boro of Quakertown and surrounding areas | Pennsylvania | Bucks |
| Borough of Ephrata | EPHRAT | Borough of Ephrata
Lancaster County, PA | Pennsylvania | Lancaster |
| Borough of Hatfield | BRHATF | Within Hatfield Borough’s Municipal Boundaries | Pennsylvania | Montgomery |
| Borough of Lansdale | LNSDLE | Lansdale Borough in Montgomery County – 3 square miles | Pennsylvania | Montgomery |
| Brightspeed Pennsylvania | EQPAE | Formerly CenturyLink/Lumen/Embarq - Lancaster, York, Dauphin, and Adams counties | Pennsylvania | Adams, Dauphin, Lancaster, York |
| Brightspeed Pennsylvania | EQPANE | Formerly CenturyLink/Lumen/Embarq - Cumberland County, Perry County | Pennsylvania | Cumberland, Perry |
| Brightspeed Pennsylvania | EQPANW | Formerly CenturyLink/Lumen/Embarq - Centre, Clinton, Juniata, Mifflin and Snyder Counties | Pennsylvania | Centre, Clinton, Juniata, Mifflin, Snyder |
| Brightspeed Pennsylvania | EQPASE | Formerly CenturyLink/Lumen/Embarq - Franklin, Fulton, and Huntingdon counties | Pennsylvania | Franklin, Fulton, Huntingdon |
| Brightspeed Pennsylvania | EQPASW | Formerly CenturyLink/Lumen
Bedford, Blair, Somerset counties | Pennsylvania | Bedford, Blair, Somerset |
| Brightspeed Pennsylvania (Osmose) | CLMRPA | Formerly Centurylink Joint Use code used by Osmose | Pennsylvania | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Bucks, Butler, Cambria, Cameron, Carbon, Centre, Chester, Clarion, Clearfield, Clinton, Columbia, Crawford, Cumberland, Dauphin, Delaware, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lackawanna, Lancaster, Lawrence, Lebanon, Lehigh, Luzerne, Lycoming, Mckean, Mercer, Mifflin, Monroe, Montgomery, Montour, Northampton, Northumberland, Perry, Philadelphia, Pike, Potter, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Washington, Wayne, Westmoreland, Wyoming, York |
| Brookfield Renewable | BRKFLD | Pike Co. | Pennsylvania | Pike |
| Cablevision | CVCPIK | Pike County (Matamoras PA) | Pennsylvania | Pike |
| Cellco Partnership d/b/a Verizon Wireless | VZWCPA | Western Pennsylvania | Pennsylvania | Allegheny, Beaver, Bedford, Blair, Cambria, Cameron, Centre, Clearfield, Crawford, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Lawrence, Mckean, Mercer, Mifflin, Somerset, Venango, Warren, Washington, Westmoreland |
| Citizens' Electric Company of Lewisburg, PA | CECLPA | Borough of Lewisburg; East Buffalo, Buffalo, West Buffalo, Kelly and Union Townships in Union County | Pennsylvania | Union |
| City of Bethlehem | NPBETH | Non-Participating code set up by PPL Electric - Northampton | Pennsylvania | Northampton |
| City of Lancaster | CTYLAN | Lancaster County, PA | Pennsylvania | Lancaster |
| City of Philadelphia - OIT | PHILA | Code needs updating. No active Contact or Users.
Philadelphia | Pennsylvania | Philadelphia |
| City of Pittsburgh | PTSBRG | City of Pittsburgh | Pennsylvania | Allegheny |
| City of Scranton (PA) | SCRTON | City of Scranton Municipal boundary in Lackawanna County, Pennsylvania | Pennsylvania | Lackawanna |
| Claverack REC | CVKREC | Bradford, Wyoming, Susquehanna, Sullivan, Tioga, Luzern, Lackawanna, Lycoming Counties | Pennsylvania | Bradford, Lackawanna, Luzerne, Lycoming, Sullivan, Susquehanna, Tioga, Wyoming |
| Comcast Pennsylvania | COMAST | Delaware County- Lower Merion Twp | Pennsylvania | Delaware |
| Comcast Pennsylvania | COMBKS | Bucks, Montgomery, Chester and Berks counties.
Chester Co (Charlestown Twp., East Coventry Twp., East Pikeland Twp., East Vincent Twp., North Coventry Twp., Phoenixville Borough, South Coventry Twp., Schuylkill Twp., Spring City Borough, Bridgeport Borough, Upper Merion Twp., & West Conshohocken Borough)
Berks County (Amity Twp., Bally Borough, Bechtelsville Borough, Boyertown Borough, Colebrookdale Twp., Douglass Twp., Earl Twp. Hereford Twp., Oley Twp., Washington Twp)
* Service Electric CATV may also service parts of Amity Twp., Earl Twp., and Oley Twp | Pennsylvania | Berks, Bucks, Chester, Montgomery |
| Comcast Pennsylvania | COMBRK | Berks County | Pennsylvania | Berks |
| Comcast Pennsylvania | COMDOW | Chester County | Pennsylvania | Chester |
| Comcast Pennsylvania | COMHBG | Harrisburg (Royalton, Middletown, Steelton, Pennbrook, Enola, West Fairview, Wormleysburg, Lemoyne, Camp Hill, New Cumberland, Lewisberry, Mechanicsburg, Marysville) | Pennsylvania | Cumberland, Dauphin |
| Comcast Pennsylvania | COMLAN | Lancaster County | Pennsylvania | Lancaster |
| Comcast Pennsylvania | COMLEB | Lebanon, Dauphin (E. Hanover, Derry, Hummelstown Boro, Conewago, Londonderry, S. Hanover, Williamstown Boro, Williams, Wiconisco, Lykens Boro., Washington, Elizabethville Boro, Pillow Boro, Gratz Boro, Lykens, Upper Paxton, Berrysburg Boro, Mifflin, Millersburg Boro, Upper Paxton, Halifax Boro, Halifax, Reed, Jackson, Wayne, Jefferson), Schuylkill(Hubley, Hegins, Upper Mahantongo, Tower City Boro, Porter), North Umberland (Lower Mahanoy), & Lancaster (W. Cocalico, Elizabeth, Clay, Rapho) Counties | Pennsylvania | Dauphin, Lancaster, Lebanon, Schuylkill |
| Comcast Pennsylvania | COMPA | Beaver and Lawrence Counties | Pennsylvania | Beaver, Lawrence |
| Comcast Pennsylvania | COMPHL | Montgomery County-Willow Grove System-include Upper Moreland Twp., Lower Moreland Twp., Bryn Athyn Borough, Abington Twp., Rockledge Borough, Jenkintown Borough, Cheltenham Twp., also Philadelphia County and City | Pennsylvania | Montgomery, Philadelphia |
| Comcast Pennsylvania | COMPIT | Allegheny, Beaver, Westmoreland, Fayette and Washington Counties | Pennsylvania | Allegheny, Beaver, Fayette, Washington, Westmoreland |
| Comcast Pennsylvania | COMSCR | Bradford, Lackawanna, Luzerne, and Wyoming Counties | Pennsylvania | Bradford, Lackawanna, Luzerne, Wyoming |
| Comcast Pennsylvania | COMSOU | Franklin, Cumberland, Fulton, Perry, Adams and York Counties | Pennsylvania | Adams, Cumberland, Franklin, Fulton, Perry, York |
| Comcast Pennsylvania | COMWIL | Lycoming, Clinton, Centre, Northumberland, Columbia, Sullivan, Union, Montour, and Tioga Counties. | Pennsylvania | Centre, Clinton, Lycoming, Montgomery, Northumberland, Sullivan, Tioga, Union |
| Consolidated Communications | CNCMPA | Pittsburgh Metropolitan Area including Allegheny, Beaver, Butler, Armstrong, Westmoreland, and Washington Counties | Pennsylvania | Allegheny, Armstrong, Beaver, Butler, Washington, Westmoreland |
| County of Montgomery | MONTGM | Montgomery Co. Only | Pennsylvania | Montgomery |
| Crown Castle | CRWNPA | Bucks: Durham Rd to the north to Montgomery County to the south with E Butler Ave to the west and 2nd St Pike to the east Delaware: all of Delaware County Chester: S Pottstown Pike to the south with Montgomery County to the north with Pike Springs Rd to the west to the Delaware county line Montgomery County: Harleyville Pike Rd to the west to the Philadelphia county line to the east, Bucks county to the north and delaware county to the south Philadelphia: all of Philadelphia county Washington: Hwy79 to the west with Thomas 84 Rd to the east and Hi Church Houston Rd to the north and Hwy 70 to the south Allegany: The network is bounded by Crane Ave to the south, Hwy 376 to the west and Boggs Ave to the east and Three Rivers Heritage Trail to the north | Pennsylvania | Allegheny, Bucks, Chester, Dauphin, Delaware, Lancaster, Mercer, Montgomery, Philadelphia, Washington, York |
| DQE Communications | DQECOM | Allegheny, Armstrong, Beaver, Butler, Greene, Indiana, Mercer, Washington and Westmoreland Counties | Pennsylvania | Allegheny, Armstrong, Beaver, Blair, Butler, Cambria, Cumberland, Dauphin, Greene, Indiana, Lancaster, Lebanon, Mercer, Washington, Westmoreland, York |
| Duquesne Light Company | DLCHM | Internal code for Henkels & McCoy | Pennsylvania | Allegheny, Beaver |
| Duquesne Light Company | DLCTEL | DLC internal telecom attachments only (no electrical). Company Wide (Allegheny and Beaver Counties) | Pennsylvania | Allegheny, Beaver |
| Duquesne Light Company (Davey Resource Group) | DLDVRS | Duquesne Light Service Territory (Beaver and Allegheny Counties) | Pennsylvania | Allegheny, Beaver |
| Duquesne Light Company - Edison | DLCEDI | Aspinwall, Blawnox, Etna, Fox Chapel, Hampton, Indiana, McCandless, Millvale, O'Hara, Pine, Reserve, Richland, Ross, Shaler, Sharpsburg, West Deer | Pennsylvania | Allegheny |
| Duquesne Light Company - McKeesport | DLCMCK | City of PGH Ward 31, Baldwin, Bethel Park, Clairton, Duquesne, East McKeesport, Elizabeth, Glassport, Homestead, Jefferson Hills, Liberty, Lincoln, McKeesport, Munhall, North Huntingdon, North Versailles, Penn Twp, Pleasant Hills, Port Vue, Trafford, Versailles, West Elizabeth, West Homestead, West Mifflin, White Oak, Wilmerding | Pennsylvania | Allegheny |
| Duquesne Light Company - Penn Hills | DLCPH | City of PGH Wards 4/7/8/9/10/11/12/13/14/15, Braddock, Braddock Hills, Chalfant, Churchill, Edgewood, Forest Hills, Monroeville, North Braddock, Penn Hills, Plum, Rankin, Swissvale, Turtle Creek, Wilkins, Wilkinsburg | Pennsylvania | Allegheny |
| Duquesne Light Company - Preble | DLCPRE | City of PGH Wards 1/2/3/5/6/8/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30/32, Avalon, Baldwin, Bellevue, Ben Avon, Brentwood, Carnegie, Castle Shannon, Collier, Crafton, Dormont, Greentree, Heidleberg, Ingram, Kennedy, Kilbuck, McKees Rocks, Mt Lebanon, Neville, Pennsbury Village, Robinson, Rosslyn Farms, Scott, Stowe, Whitehall | Pennsylvania | Allegheny |
| Duquesne Light Company - Raccoon | DLCRAC | Beaver County, Aleppo, Bell Acres, Coraopolis, Crescent, Edgeworth, Findlay, Franklin Park, Glenfield, Hayville, Leet, Leetsdale, Moon, Ohio, Osborne, Sewickley, Sewickley Heights, Sewickley Hills | Pennsylvania | Allegheny, Beaver |
| Empire Telephone Corporation | EMPT | Chemung County: Veteran; Genesee County: Alabama, Alexander, Batavia & Pembroke; Schuyler County: Burdett Village, Cayuta, Catharine, Hector, Montour & Odessa Village; Seneca County: Lodi, Lodi Village & Ovid; Steuben County: Oswego, Prattsburgh, Pulteney, Urbana & Wheeler; Tompkins County: Enfield & Newfield; Yates County: Italy & Jerusalem
Counties of: Monroe, Wyoming, Broome, Chautauqua, Livingston, Alleghany, Cattaragus, Tioga and Madison, Cortland County | Pennsylvania | Allegany, Broome, Cattaraugus, Chautauqua, Chemung, Columbia, Cortland, Genesee, Lackawanna, Livingston, Luzerne, Lycoming, Madison, Monroe, Montour, Oswego, Schuyler, Seneca, Steuben, Tioga, Tompkins, Wyoming, Yates |
| Everstream | PEGBPA | Counties of Chambersburg, Adams, Carlisle, Dauphin, York, Lebanon, Lancaster, Northumberland, Bloomsburg, Montour, Union, Mountoursville
Formerly PEG Bandwidth | Pennsylvania | Adams, Dauphin, Franklin, Lancaster, Lebanon, Lycoming, Northumberland, Union, York |
| Everstream Solutions LLC | EVRSTP | Counties of Chambersburg, Adams, Carlisle, Dauphin, York, Lebanon, Lancaster, Northumberland, Bloomsburg, Montour, Union, Mountoursville | Pennsylvania | Adams, Dauphin, Franklin, Lancaster, Lebanon, Lycoming, Montour, Northumberland, Union, York |
| Extenet Systems | XNETPA | All of Pennsylvania | Pennsylvania | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Bucks, Butler, Cambria, Cameron, Carbon, Centre, Chester, Clarion, Clearfield, Clinton, Columbia, Crawford, Cumberland, Dauphin, Delaware, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lackawanna, Lancaster, Lawrence, Lebanon, Lehigh, Luzerne, Lycoming, Mckean, Mercer, Mifflin, Monroe, Montgomery, Montour, Northampton, Northumberland, Perry, Philadelphia, Pike, Potter, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Washington, Wayne, Westmoreland, Wyoming, York |
| Fibertech Networks (Crown Castle) | FBTPHL | Bucks County, Chester County, Delaware County, Philadelphia County, Montgomery County | Pennsylvania | Bucks, Chester, Delaware, Montgomery, Philadelphia |
| Fibertech Networks (Crown Castle) | FBTPIT | Allegheny, Butler, Beaver, Washington and Westmoreland Counties | Pennsylvania | Allegheny, Beaver, Butler, Washington, Westmoreland |
| FiberTel, Inc | NPFIBT | Non-participating code for FiberTel, Inc.
Facilities located in counties: Luzerne, Lackawanna, Monroe
Facilities location description: Kingston, Forty-Fort, Wilkes-Barre, Scranton, parts of Monroe County | Pennsylvania | Lackawanna, Luzerne, Monroe |
| First Telecom Services, LLC Non-Part | NPFTS | (FORMERLY: FirstEnergy Telecom) Non-Participating code set up by PPL Electric | Pennsylvania | Cumberland, Dauphin, Lackawanna, Lancaster |
| FirstLight Fiber Inc. | FLFBPA | Eastern PA | Pennsylvania | Berks, Bradford, Bucks, Butler, Carbon, Chester, Clarion, Clearfield, Columbia, Cumberland, Dauphin, Delaware, Jefferson, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Lycoming, Monroe, Montgomery, Northampton, Pike, Schuylkill, Sullivan, Susquehanna, Tioga, Wyoming, York |
| Frontier Communications | FROPNH | New Holland - Berks ,Chester, Lancaster, Tioga, Potter, McKean, Bradford, Lycoming | Pennsylvania | Berks, Bradford, Chester, Lancaster, Lycoming, Mckean, Potter, Tioga |
| Gigapower, LLC | GIGAPA | Luzerne County, PA
Lackawanna County, PA | Pennsylvania | Lackawanna, Luzerne |
| GoNetspeed | GONTSP | Starting out in Beaver County but will be expanding | Pennsylvania | Beaver |
| Ironton Telephone | IRTON | Lehigh Valley | Pennsylvania | Lehigh |
| Lackawaxen Telecommunications Services | NPLACK | Non-Participating code set up by PPL Electric: Pike, Wayne | Pennsylvania | Pike, Wayne |
| Lancaster Community Safety Coalition | LANCSC | City limits of Lancaster | Pennsylvania | Lancaster |
| Level 3 Communications | LEVEL3 | Western Half of PA: Greene, Fayette, Somerset, Cambria, Westmoreland, Washington, Beaver, Allegheny, Blair, Indiana, Armstrong, Butler, Lawerence, Clearfield, Jefferson, Clarion, Venango, Mercer, Crawford, Warren, Forest, Elk, McKean and Erie Counties | Pennsylvania | Allegheny, Armstrong, Beaver, Blair, Butler, Cambria, Clarion, Clearfield, Crawford, Elk, Erie, Fayette, Forest, Greene, Indiana, Jefferson, Lawrence, Mckean, Mercer, Somerset, Venango, Warren, Washington, Westmoreland |
| Level 3 Communications | LV3ALL | Northampton, Lehigh, Berks, Upper Bucks (Richland Twp, Quakertown Boro, East Rockhill Twp, Perkasie Boro) | Pennsylvania | Berks, Bucks, Lehigh, Northampton |
| Level 3 Communications | LV3DPH | Centre, Clinton, Columbia, Cumberland, Dauphin, Lebanon, Lancaster, Montour, Northumberland, Snyder, and Union Counties | Pennsylvania | Centre, Clinton, Columbia, Cumberland, Dauphin, Lancaster, Lebanon, Montour, Northumberland, Snyder, Union |
| Level 3 Communications | LV3SCR | Tioga, Bradford, Sullivan, Wyoming, Lackawanna, Luzerne, Monroe, Northampton, and Susquehanna County | Pennsylvania | Bradford, Columbia, Lackawanna, Luzerne, Monroe, Montour, Northampton, Northumberland, Sullivan, Susquehanna, Tioga, Union, Wyoming |
| Loop Internet | LOOP | Luzerne, Lackawanna | Pennsylvania | Lackawanna, Luzerne |
| Lumos Networks | NPLNPA | Lumos Networks in Allegheny and Beaver Counties | Pennsylvania | Allegheny, Beaver |
| MAW Communications | MAWCOM | Berks County, Lancaster County | Pennsylvania | Berks |
| MCI Metro Access Transmission Services Corp | MCIATS | All of Pennsylvania | Pennsylvania | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Bucks, Butler, Cambria, Cameron, Carbon, Centre, Chester, Clarion, Clearfield, Clinton, Columbia, Crawford, Cumberland, Dauphin, Delaware, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lackawanna, Lancaster, Lawrence, Lebanon, Lehigh, Luzerne, Lycoming, Mckean, Mercer, Mifflin, Monroe, Montgomery, Montour, Northampton, Northumberland, Perry, Philadelphia, Pike, Potter, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Washington, Wayne, Westmoreland, Wyoming, York |
| MetroCast Communications | MTCSPA | Carbon, Columbia, Luzerne, Monroe and Schuylkill Counties | Pennsylvania | Carbon, Columbia, Luzerne, Monroe, Schuylkill |
| North-eastern Pennsylvania Telephone Co. | NEPATL | Lackawanna, Susquehanna, and Wayne Counties | Pennsylvania | Lackawanna, Susquehanna, Wayne |
| PA Department of Transportation Engineering District 6 | PADOT6 | Bucks, Chester, Delaware, Montgomery and Philadelphia Counties | Pennsylvania | Bucks, Chester, Delaware, Montgomery, Philadelphia |
| Palmerton Telephone Company | PTCO | PALMERTON TELEPHONE COMPANY - Counties of Carbon, Monroe and Northhampton | Pennsylvania | Carbon, Monroe, Northampton |
| PECO Energy | PEBMEN | PECO BucksMont Engineering & Design | Pennsylvania | Bucks, Montgomery |
| PECO Energy | PEBMNB | PECO BucksMont New Business
Montgomery and Bucks Counties | Pennsylvania | Bucks, Montgomery |
| PECO Energy | PECOBM | PECO BucksMont Work Management
Bucks & Montgomery Counties | Pennsylvania | Bucks, Chester, Delaware, Montgomery |
| PECO Energy | PECODC | Delaware, Chester, Montgomery and York Counties | Pennsylvania | Chester, Delaware, Montgomery, York |
| PECO Energy | PECOPH | Philadelphia Area | Pennsylvania | Philadelphia |
| PECO Energy | PECOPM | PECO Project Management Department Jobs Only.
Delaware, Chester, York, Montgomery, Bucks, Philadelphia Counties | Pennsylvania | Bucks, Chester, Delaware, Montgomery, Philadelphia, York |
| PECO Energy | PECORE | NOTE** Only to be used for Small Cell Attachments being attached to Non PECO poles | Pennsylvania | Bucks, Chester, Delaware, Montgomery, Philadelphia |
| PECO Energy | PENRCG | PECO New Residential Construction Group
Bucks, Montgomery, Delaware, Chester and Philadelphia Counties | Pennsylvania | Bucks, Chester, Delaware, Montgomery, Philadelphia |
| PECO Energy | PEPHEN | Philadelphia | Pennsylvania | Philadelphia |
| PECO Energy | PEPHNB | Philadelphia | Pennsylvania | Philadelphia |
| PennWisp LLC | PENNWP | Bradford and Tioga Counties of Pennsylvania | Pennsylvania | Bradford, Tioga |
| Philadelphia Gas Works | PHIGAS | Philadelphia Gas Works
Philadelphia County | Pennsylvania | Philadelphia |
| Pike County Light & Power Company | PCLPEG | Dingman, Mattamoras, Milford Township, Milford Village and Westfall all in Pike County
Pond Eddy | Pennsylvania | Pike |
| Pike County Light & Power Company | PKCYLP | Dingman, Mattamoras, Milford Township, Milford Village and Westfall all in Pike County
Pond Eddy | Pennsylvania | Pike |
| PPL Electric Utilities - Allentown | PPLALN | Allentown, Palmerton, Coopersburg | Pennsylvania | Lehigh, Northampton |
| PPL Electric Utilities - Bethlehem | PPLBTH | Bethlehem, Hellertown & surrounding areas | Pennsylvania | Lehigh, Northampton |
| PPL Electric Utilities - Buxmont | PPLBUX | Buxmont, Telford & surrounding areas | Pennsylvania | Bucks, Montgomery |
| PPL Electric Utilities - Frackville | PPLFRK | Schuykill, Frackville, Orwigsburg and Marion Heights areas. | Pennsylvania | Columbia, Northumberland, Schuylkill |
| PPL Electric Utilities - Harrisburg | PPLHBG | Harrisburg City, Hershey & Elizabethville areas | Pennsylvania | Dauphin, Lebanon, Northumberland, Schuylkill |
| PPL Electric Utilities - Hazleton | PPLHAZ | Hazleton & Panther Valley areas | Pennsylvania | Carbon, Luzerne, Schuylkill |
| PPL Electric Utilities - Honesdale | PPLHON | Honesdale & Hamlin areas | Pennsylvania | Lackawanna, Pike, Susquehanna, Wayne |
| PPL Electric Utilities - Lancaster East | PPLLAE | North, South & East Lancaster City, Sinking Springs, Cocalico & Quarryville areas | Pennsylvania | Berks, Chester, Lancaster, Lebanon |
| PPL Electric Utilities - Lancaster West | PPLLAW | Lancaster City & West Areas | Pennsylvania | Lancaster, York |
| PPL Electric Utilities - Lock Haven | PPLLOC | Lock Haven & surrounding areas | Pennsylvania | Clinton, Lycoming |
| PPL Electric Utilities - Pocono | PPLPOC | Pocono & Stroudsburg areas | Pennsylvania | Carbon, Monroe |
| PPL Electric Utilities - Scranton | PPLSCR | Scranton & Carbondale areas | Pennsylvania | Lackawanna, Susquehanna, Wyoming |
| PPL Electric Utilities - Sunbury | PPLSBY | Sunbury, Bloomsburg and Middleburg areas | Pennsylvania | Columbia, Montour, Northumberland, Snyder, Union |
| PPL Electric Utilities - Susqueahanna | PPLSUS | Williamsport area | Pennsylvania | Lycoming |
| PPL Electric Utilities - West Shore | PPLWSH | Mechanicsburg, Carlisle & Newport areas | Pennsylvania | Adams, Cumberland, Juniata, Perry, York |
| PPL Electric Utilities - Wilkes Barre | PPLWB | Wikes Barre & White Haven areas | Pennsylvania | Carbon, Luzerne |
| QCOL, Inc. | QCOLFC | Southwestern PA (Fayette County) | Pennsylvania | Fayette |
| RCN Telecom Services | RCNLV | RCN TELECOM SERVICES, INC. | Pennsylvania | Bucks, Lehigh, Northampton |
| RCN Telecom Services | RCNPA | Delaware, Montgomery, Philadelphia counties | Pennsylvania | Delaware, Montgomery, Philadelphia |
| Red Cat Power | REDCAT | Tarentum Borough, Allegheny County | Pennsylvania | Allegheny |
| Ridley Township | RIDLEY | Ridley Township, Delaware County | Pennsylvania | Delaware |
| Salsgiver Communications | SLGRCM | Allegheny & Beaver County | Pennsylvania | Allegheny, Beaver |
| Schuylkill Haven Borough | SCHBO | Schuylkill Haven in Schuylkill County | Pennsylvania | Schuylkill |
| Service Electric Cable TV | SELV1 | Berks, Bucks, Lehigh and Northampton Counties | Pennsylvania | Berks, Bucks, Lehigh, Northampton |
| Service Electric Cable TV | SEWB1 | Luzerne and Monroe counties | Pennsylvania | Luzerne, Monroe |
| Service Electric Cablevision | SEBIRD | Berks, Chester and Lancaster Counties | Pennsylvania | Berks, Chester, Lancaster |
| Service Electric Cablevision | SECVHZ | Hazleton division - Lower Luzerne county (Hazleton, Butler Twp, Conyngham Boro, Sugarloaf Twp, Freeland, West Hazleton, Hazleton); Carbon County(Beaver Meadow, Tresckow); Schuylkill County( McAdoo, Hometown,Tamaqua, New Ringold, Barnesville, Delano, Mahanoy City, Frackville, St Clair, Ashland, Fountain Springs) | Pennsylvania | Carbon, Luzerne, Schuylkill |
| Service Electric Cablevision | SECVPT | Columbia, Montour, Northumberland, Snyder and Union Counties | Pennsylvania | Columbia, Montour, Northumberland, Snyder, Union |
| Shentel Communications | SCPA | Pennsylvania - Adams, Franklin and York Counties | Pennsylvania | Adams, Franklin, York |
| ShotSpotter, Inc | SHOTSP | Allegheny County, PA for public safety devices mounted to Duquesne Light poles | Pennsylvania | Allegheny |
| Sunesys (Crown Castle) | SUNPA | Commonwealth of Pennsylvania | Pennsylvania | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Bucks, Butler, Cambria, Cameron, Carbon, Centre, Chester, Clarion, Clearfield, Clinton, Columbia, Crawford, Cumberland, Dauphin, Delaware, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lackawanna, Lancaster, Lawrence, Lebanon, Lehigh, Luzerne, Lycoming, Mckean, Mercer, Mifflin, Monroe, Montgomery, Montour, Northampton, Northumberland, Perry, Philadelphia, Pike, Potter, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Washington, Wayne, Westmoreland, Wyoming, York |
| TDS Telecom | TDSLGN | Clinton County in Greene and Logan Townships. Also a small part of Lamar Twp. And Crawford Twp. Also service these communites: Loganton, Tylersville, Booneville and Rosecrans | Pennsylvania | Clinton |
| TDS Telecom | TDSPNN | Southwestern Northumberland County and parts of Northern Dauphin County. Towns include: Herndon, Dalmatia, Trevorton, Leck Kill, Pillow, Klingerstown and areas in between | Pennsylvania | Dauphin, Northumberland |
| Teleport Communications America | ATTPHL | Subsidiary of AT&T - Philadelphia, Delaware, Chester, Montgomery, Bucks, Lancaster, Dauphin, Lebanon, Berks, Lehigh, Northhampton, Carbon, Luzerne, Lacawanna and Schuylkill Counties | Pennsylvania | Berks, Bucks, Carbon, Chester, Dauphin, Delaware, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Montgomery, Northampton, Philadelphia, Schuylkill |
| Teleport Communications America | ATTPIT | Allegheny, Beaver, Butler, Erie, Warren, Washington, Westmoreland Counties | Pennsylvania | Allegheny, Beaver, Butler, Erie, Warren, Washington, Westmoreland |
| Tri-County Rural Electric Cooperative (PA) | TRIELC | North Central Pennsylvania – McKean, Potter, Cameron, Clinton, Tioga, Lycoming, and Bradford Counties | Pennsylvania | Bradford, Cameron, Clinton, Lycoming, Mckean, Potter, Tioga |
| UGI Utilities, Inc. | UGILAN | Lancaster, Berks, Dauphin, Lehigh Counties | Pennsylvania | Berks, Dauphin, Lancaster, Lehigh |
| UGI Utilities, Inc. | UGILZW | upper Luzerne County and lower Wyoming County, PA | Pennsylvania | Luzerne, Wyoming |
| United Fiber & Data, LLC | UFDPA | Pennsylvania – Bucks, Montgomery, Berks, Lancaster, York and Adams Counties | Pennsylvania | Adams, Berks, Bucks, Lancaster, Montgomery, York |
| United Tele Co of PA, LLC dba CenturyLink Telecom | NPCEN | Non-Participating code set up by PPL: Cumberland, Dauphin, Perry | Pennsylvania | Cumberland, Dauphin, Perry |
| Valley Rural Electric Coop | VREC01 | Blair Cty. Tyrone; Huntingdon Cty. Morris, Spruce Creek, Carbon, Hopewell, Lincoln, Penn, Todd, Brady, Henderson, Jackson, Logan, Mill Creek Borough, Miller, Oneida, Porter, West, Shirley, Juniata, Marklesburg Borough, Smithfield, Walker, Franklin, Warriors Mark, Feruson, Harris, Barree, Cass, Cassville, Clay, Cromwell, Satillo, Borough, Union; Bedford Cty. Liberty; Mifflin Cty. Granville, Menno, Oliver, Wayne, Union; | Pennsylvania | Bedford, Blair, Centre, Huntingdon, Mifflin |
| Valley Rural Electric Coop | VREC02 | Huntingdon Cty. Clay, Cromwell, Shirley, Springfield, Dublin, Shade Gap Borough, Tell, Three Springs Borough; Juniata Cty. Lack, Beale, Milford, Spruce Hill, Turbett, Tuscarora; Fulton Cty. Dublin, Belfast, Bethel, Licking Creek, Taylor, Todd; Franklin Cty. Metal, Peters, Todd. | Pennsylvania | Bedford, Franklin, Fulton, Huntingdon, Juniata |
| Valley Rural Electric Coop | VREC03 | Blair Cty. Catharine, Huston, Woodbury, Blair, North Woodbury, Taylor, Frankstown, Logan, Tyrone, Allegheny, Freedom, Greenfield, Juniata; Bedford Cty. Bloomfield, Woodbury, Kimmel, Pavia. | Pennsylvania | Bedford, Blair |
| Velocity Fiber (PA) | VLOFBR | Lancaster County PA-Specifically the townships of Manor, Millersville, Lancaster, Martic, Conestoga, and Pequea
Montgomery County, PA | Pennsylvania | Lancaster, Montgomery |
| Verizon Pennsylvania | VZCWPA | Central and Western PA: Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Butler, Cambria, Cameron, Centre, Clarion, Clearfield, Crawford, Cumberland, Dauphin, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, LAncaster, Lawrence, Lebanon, McKean, Mercer, Mifflin, Perry, Potter, Somerset, Tioga, Venango, Warren, Washington, Westmoreland and York Counties | Pennsylvania | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Butler, Cambria, Cameron, Centre, Clarion, Clearfield, Crawford, Cumberland, Dauphin, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lancaster, Lawrence, Lebanon, Mckean, Mercer, Mifflin, Perry, Potter, Somerset, Tioga, Venango, Warren, Washington, Westmoreland, York |
| Verizon Pennsylvania | VZEPA | Eastern PA - Berks, Bucks, Carbon, Chester, Clinton, Columbia, Lackawanna, Lehigh, Luzerne, Lycoming, Monroe, Montgomery, Montour, Northampton, Northumberland, Pike, Schuylkill, Snyder, Sullivan, Susquehanna, Union, Wayne and Wyoming Counties | Pennsylvania | Berks, Bucks, Carbon, Chester, Clinton, Columbia, Delaware, Lackawanna, Lehigh, Luzerne, Lycoming, Monroe, Montgomery, Montour, Northampton, Northumberland, Pike, Schuylkill, Snyder, Sullivan, Susquehanna, Union, Wayne, Wyoming |
| Verizon Pennsylvania | VZPH | Delaware and Philadelphia Counties | Pennsylvania | Delaware, Montgomery, Philadelphia |
| Vero Fiber Networks (PA) | VEROPA | Pennsylvania (PA) Counties: Berks, Montgomery | Pennsylvania | Berks, Montgomery |
| Watsontown Borough | WATSON | Northumberland Count PA | Pennsylvania | Northumberland |
| Wellsboro Electric Company | WLSBOR | Wellsboro Borough, Charleston, Delmar and Middlebury, Shippen and Farmington Townships | Pennsylvania | Tioga |
| West Vincent Township | WVCTWP | West Vincent Township in Chester county | Pennsylvania | Chester |
| Windstream Pennsylvania | WIN021 | Lancaster County: Adamstown, Akron, Denver, Ephrata, Lititz, Manheim Boro (Manheim Twp is in WINLAN) | Pennsylvania | Lancaster |
| Windstream Pennsylvania | WIN022 | North Umberland County: Lewisburg; Union County: Hartleton, Mifflinburg, West Milton | Pennsylvania | Northumberland, Union |
| Windstream Pennsylvania | WIN24A | Berks County: Bally, Boyertown, Oley, Topton; Carbon County; Lansford; Montgomery County: Sassamansville | Pennsylvania | Berks, Carbon, Montgomery |
| Windstream Pennsylvania | WIN24B | Berks County: Birdsboro, Douglassville, Morgantown, Yellow House; Montgomery County: Green Hills | Pennsylvania | Berks, Montgomery |
| Windstream Pennsylvania | WIN430 | Blair County: Altoona; Centre County: State College, Bellefonte, Boalsburg | Pennsylvania | Blair, Centre |
| Windstream Pennsylvania | WIN432 | Lycoming County: Williamsport | Pennsylvania | Lycoming |
| Windstream Pennsylvania | WIN433 | Berks County: Fleetwood, Kutztown, Leesport, Reading; Lehigh County: Allentown; Montgomery County: Pottstown | Pennsylvania | Berks, Lehigh, Montgomery |
| Windstream Pennsylvania | WIN43A | Cumberland Co: Camp Hill, Enola, Mechanicsburg, New Cumberland; Dauphin County: Harrisburg, Hummelstown, Middletown; Lancaster County: Lancaster, Landisville, Manhiem Twp (Manheim Boro is under WINBIR) Millersville, Strasburg, Willow Street; York County: Lewisberry, York | Pennsylvania | Cumberland, Dauphin, Lancaster, York |
| Windstream Pennsylvania | WIN43B | Dauphin County: Hershey; Lancaster County: Columbia, Elizabethtown, Leola, Mt Joy, Marietta, Mountville, New Holland, Terre Hill; Lebanon County: Annville, Lebanon, Palmyra | Pennsylvania | Dauphin, Lancaster, Lebanon |
| XO Communications | XOWYO | West of Harrisburg to the Delaware River in Phila and North of Scranton which includes areas in and around Reading, Pottstown, Allentown, Bethlehem, and Lancaster | Pennsylvania | Berks, Chester, Dauphin, Lancaster |
| Zayo Bandwidth | ZAYOPA | All of Pennsylvania | Pennsylvania | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Bucks, Butler, Cambria, Cameron, Carbon, Centre, Chester, Clarion, Clearfield, Clinton, Columbia, Crawford, Cumberland, Dauphin, Delaware, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lackawanna, Lancaster, Lawrence, Lebanon, Lehigh, Luzerne, Lycoming, Mckean, Mercer, Mifflin, Monroe, Montgomery, Montour, Northampton, Northumberland, Perry, Philadelphia, Pike, Potter, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Washington, Wayne, Westmoreland, Wyoming, York |
| Zayo Fiber Solutions | ACCPA | Formerly First Communications & Allegheny Communications Connect - Allegheny, Armstrong, Beaver, Blair, Butler, Cambria, Centre, Clearfield, Crawford, Cumberland, Erie, Fayette, Franklin, Huntingdon, Indiana, Lawrence, Mercer, Venango and Washington Counties | Pennsylvania | Allegheny, Armstrong, Beaver, Blair, Butler, Cambria, Centre, Clearfield, Crawford, Cumberland, Erie, Fayette, Franklin, Huntingdon, Indiana, Lawrence, Mercer, Venango, Washington, Westmoreland |
| Zito Media | ZITOPA | Pennsylvania - all counties | Pennsylvania | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks, Blair, Bradford, Bucks, Butler, Cambria, Cameron, Carbon, Centre, Chester, Clarion, Clearfield, Clinton, Columbia, Crawford, Cumberland, Dauphin, Delaware, Elk, Erie, Fayette, Forest, Franklin, Fulton, Greene, Huntingdon, Indiana, Jefferson, Juniata, Lackawanna, Lancaster, Lawrence, Lebanon, Lehigh, Luzerne, Lycoming, Mckean, Mercer, Mifflin, Monroe, Montgomery, Montour, Northampton, Northumberland, Perry, Philadelphia, Pike, Potter, Schuylkill, Snyder, Somerset, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Washington, Wayne, Westmoreland, Wyoming, York |
| Zito Media | ZTONIT | Formerly Nittany Media (Zampellie Electrics) | Pennsylvania | Juniata, Mifflin, Perry, Snyder |