| 186 Communications | 186CNH | Belmont, Boscawen, Bow, Dover, Fitzwilliam, Franklin, Goffstown, Hooksett, Hudson, Keene, Laconia, Manchester, Merrimack, Nashua, Northfield, Richmond, Rindge, Swanzey & Tilton | New Hampshire | Belknap, Cheshire, Hillsborough, Merrimack, Strafford |
| Allenstown Fire Department | ALNFD | Allenstown, NH | New Hampshire | Merrimack |
| Amherst School District | AMHSD | Amherst School District Facilities | New Hampshire | Hillsborough |
| Argent Communications | ARGNH | Chesterfield, Fitzwilliam, Rindge, Troy, Westemoreland | New Hampshire | Cheshire, Coos |
| Ashland Municipal Electric Dept. | ASHUTL | Town of Ashland, NH (Grafton) | New Hampshire | Grafton |
| AT&T New Hampshire | TCGNH | Formerly TCG New Jersey, Inc. - All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Atlantic Broadband | MCBNH | Belmont Office - Alexandria, Alton, Barnstead, Belmont, Bridgewater, Bristol, Center Harbor, Deerfield, Epsom, Franklin, Gilford, Gilmanton, Hebron, Laconia, Meredith, New Durham, New Hampton, Northfield, Northwood, Pittsfield, Sanbornton, Tilton and Wolfeboro
*Formerly Metrocast | New Hampshire | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham, Strafford |
| Atlantic Broadband | MCRNH | Rochester Office - Barrington, Farmington, Lebanon, Milton, Rochester and Strafford
Formerly Metrocast | New Hampshire | Grafton, Rockingham, Strafford |
| BayRing Communications | BCNH | Merrimack County east from Concord, NH down RT-4 into Strafford County; Strafford County east along RT 155 into Dover, Carrol (primarily Wolfeboro area), Hillsborough (primarily in Milford Area); All of Rockingham County | New Hampshire | Carroll, Hillsborough, Merrimack, Rockingham, Strafford |
| Berlin Fire Department | BERLFD | Town of Berlin Fire Service Facilities | New Hampshire | Coos |
| Bretton Woods Telephone | BWTEL | Bretton Woods, Carroll | New Hampshire | Coos |
| Bristol Fire Department | BRIFD | Bristol, NH | New Hampshire | Grafton |
| Broadview Networks | BRVWNH | Entire State of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Milan, Rockingham, Strafford, Sullivan |
| Charter Communications | CHTNH1 | Brookline and Hollis | New Hampshire | Hillsborough |
| Charter Communications | CHTNH2 | Bath, Haverhill, Monroe, North Haverhill, Pike, Piermount and Woodsville | New Hampshire | Grafton |
| Charter Communications | TWCNNH | Albany, Ashland, Bartlett, Bath, Berlin, Bethlehem, Bridgewater, Brookfield, Campton, Carroll, Center Harbor, Chocorua, Conway, Dalton, Eaton, Effingham, Freedom, Glen, Gorham, Groton, Groveton, Hales Location, Holderness, Intervale, Jackson, Jefferson, KLancaster, Landaff, Lisbon, Littleton, Madison, Middleton, Mirror Lake, Monroe, Moultonborough, North Woodstock, Northumberland, Ossipee, Plymouth, Randolph, Rumney, Sanbornville, Sandwich, Silver Lake, Sugar Hill, Tamworth, Thornton, Tuftonboro, Twin Mountain, Union, Wakefield, Warren, Wentworth, Whitefield & Woodstock | New Hampshire | Carroll, Coos, Grafton |
| City of Keene | CTYKEE | Network Services Department - Keene in Cheshire County | New Hampshire | Cheshire |
| Claremont Fire Dept. | CLNHFD | City of Claremont Fire Service Facilities | New Hampshire | Sullivan |
| Comcast New Hampshire | CMCTE | Allenstown, Atkinson, Auburn, Belmont, Boscawen, Bow, Brentwood, Candia, Canterbury, Chester, Chichester, Concord, Contoocock, Danville, Derry, Dover, Durham, East Hampstead, East Kingston, Epping, Exeter, Fremont, Gilmanton, Greenland, Guilford, Hampstead, Hampton, Hampton Falls, Hooksett, Hopkinton, Kensington, Kingston, Laconia, Lee, Loudon, Madbury, Manchester, New Castle, Newfields, Newington, Newmarket, Newton, North Hampton, Nottingham, Pembroke, Penacock, Plaistow, Portsmouth, Raymond, Rollinsford, Rye, Rye Beach, Salem, Sandown, Seabrook, Somersworth, South Hampton, Stratham | New Hampshire | Belknap, Hillsborough, Merrimack, Rockingham, Strafford |
| Comcast New Hampshire | CMCTL2 | Amherst, Antrim, Bedford, Bennington, Deering, Francestown, Goffstown, Greenville, Hancock, Henniker, Hillsboro, Hudson, Jaffery, Litchfield, Londonderry, Merrimack, Milford, Mont Vernon, Nashua, New Boston, New Ipswich, Pelham, Peterborough, Temple, Weare, Wilton, Windham | New Hampshire | Cheshire, Hillsborough, Merrimack |
| Comcast New Hampshire | CMCTNH | Andover, Alstead, Canaan, Charlestown, Chesterfield, Claremont, Cornish, Danbury, Enfield, Gilsum, Grantham, Hanover, Hill, Hinsdale, Langdon, Lebanon, New London, Newport, Plainfield, Salisbury, Sunapee, Walpole, Wilmot and Winchester | New Hampshire | Cheshire, Grafton, Merrimack, Sullivan |
| Concord Fire Dept. | CONCFD | City of Concord Fire Service Facilities | New Hampshire | Merrimack |
| Consolidated Communications | FPNHEN | EXCHANGE OF NOTICES ONLY - all of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Consolidated Communications | FPNHPT | POLE REPLACEMENT NOTICES - All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| DSCI, LLC | DSCINH | All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Dunbarton Telephone | DNTLNH | Dunbarton | New Hampshire | Merrimack |
| Elliot Health System | EHSNH | EHS Facilities in Manchester and Londonderry | New Hampshire | Hillsborough |
| Extenet Systems | XNETNH | All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Milan, Rockingham, Strafford, Sullivan |
| Fibercast Cable Communications | FIBNH | All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Milan, Rockingham, Strafford, Sullivan |
| Franklin Fire Department | FRAFD | Franklin | New Hampshire | Merrimack |
| Goffstown Fire Department | GOFFD | Town of Goffstown Fire Service Facilities | New Hampshire | Hillsborough |
| Granite State Communications | GSCOM | Hillsborough County - Parts of Deering, Hillsboro, Weare and Windsor; Rockingham County - Chester and Sandown; Sullivan County - Washington | New Hampshire | Hillsborough, Rockingham, Sullivan |
| Great Works Internet | GWINH | Formerly Biddeford Internet - Dover | New Hampshire | Strafford |
| Hampton Fire Department | HAMTFD | Town of Hampton Fire Service Facilities | New Hampshire | Rockingham |
| Hanover Fire Department | HNOVFD | Town of Hanover Fire Service Facilities | New Hampshire | Grafton |
| Hooksett Fire Department | HOOKFD | Town of Hooksett Fire Service Facilities | New Hampshire | Merrimack |
| Hudson Fire Dept. | HUDFD | Town of Hudson Fire Service Facilities | New Hampshire | Hillsborough |
| Keene Fire Department | KENHFD | City of Keene Fire Service Facilities | New Hampshire | Cheshire |
| Laconia Fire Department | LACFD | City of Laconia Fire Service Facilities | New Hampshire | Belknap |
| Lancaster Fire Department | LANCFD | Lancaster | New Hampshire | Coos |
| Lebanon Fire Department | LEBFD | City of Lebanon Fire Service Facilities | New Hampshire | Grafton |
| Liberty Utilities | LUNH01 | Derry, Pelham, Salem, and Windham in Rockingham and Hillsborough Counties | New Hampshire | Hillsborough, Rockingham |
| Liberty Utilities | LUNH02 | Acworth, Alstead, Bath, Canaan, Charlestown, Cornish, Enfield, Grafton, Hanover, Langdon, Lebanon, Marlow, Monroe, Orange, Plainfield, Surry, Walpole in Cheshire, Grafton and Sullivan Counties | New Hampshire | Cheshire, Grafton, Sullivan |
| Lightower Fiber Networks (Crown Castle) | LTFNNH | All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Lightower Fiber Networks (Crown Castle) | NEONNH | Formerly NEON Communications - All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Littleton Water & Light Co. | LWLNH | Town of Littleton | New Hampshire | Grafton |
| Manchester Fire Dept. | MANCFD | City of Manchester Fire Service Facilities | New Hampshire | Hillsborough, Rockingham |
| Manchester School System | MANCSS | Manchester | New Hampshire | Hillsborough |
| Manchester Traffic Department | MANCTD | Manchester Traffic Department | New Hampshire | Hillsborough |
| MCI Metro Access | MCINH | Bedford, Hudson, Manchester, Merrimack, Nashua, Windham | New Hampshire | Hillsborough, Rockingham |
| Milford Fire Dept. | MILFD | Town of Milford Fire Service Facilities | New Hampshire | Hillsborough |
| Nashua Fire Dept. | NASHFD | City of Nashua Fire Service Facilities | New Hampshire | Hillsborough |
| New Hampshire FastRoads | NHFAST | New Hampshire FastRoads has facilities in New Hampshire in Cheshire, Grafton, Sullivan, and Merrimack (New London only) counties. | New Hampshire | Cheshire, Grafton, Merrimack, Sullivan |
| New Hampshire Northcoast Corporation | NHNCST | Carroll County | New Hampshire | Carroll |
| New Hampshire Optical Systems | NHOPS | All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Milan, Rockingham, Strafford, Sullivan |
| New Hampton Village | NHVNH | Village of New Hampton | New Hampshire | Belknap |
| Newington Fire Dept. | NEWFD | Town of Newington Fire Service Facilities | New Hampshire | Rockingham |
| Newmarket Fire Department | NEWMFD | Newmarket - Rockingham | New Hampshire | Rockingham |
| Newport Fire Department | NEWPFD | Newport | New Hampshire | Sullivan |
| NH Electric Cooperative | NHEC | Power Transfers Only | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| NH Electric Cooperative | NHECBB | Broadband Transfers Only | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Milan, Rockingham, Strafford, Sullivan |
| Otel Telecom | OTELNH | All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Oxford Networks | ONETR | (Formerly Revolution Networks Portsmouth To Manchester Route 1) - Portsmouth (Lafayette Rd, Middle St, State St, Maplewood Ave, McGee Dr, Spinnaker Way, Mangrove St, Kearsage Way, Ranger Way, Preble Way); Rye (Lafayette Rd); North Hampton (Lafayette Rd, Hobbs Rd, Atlantic Ave, Exeter Rd); Exeter (Rt-111, Hampton Rd, High St, Water St, Main St, Epping Rd); Brentwood (Epping Rd); Epping (Exeter Rd, Water St, Pleasant St); Raymond(Epping Rd, Rt 27, Deerfield Rd, Dudley Rd); Candia (27, Raymond Rd, High St); Hooksett (Whitehall Rd, Londonderry Turnpike); Manchester (Londonderry Turnpike, Wellington Rd, Old Wellington Rd, Bridge St, Pine St) --------- (Manchester To Salem Route 2) - Manchester (Beech St, Sundial Ave, Kennedy St, Brown Ave, W Baker St, Baker St, Hampton St, Martin St, S Willow St); Londonderry (Rockingham Rd Rt 28, Mammoth Rd, Smith Ln); Derry (Manchester Rd, Crystal Ave, Birch St, Rockingham Rd, Londonderry Turnpike); Windham (Rockingham Rd); Salem (N Broadway, Taylor St) | New Hampshire | Hillsborough, Merrimack, Rockingham, Strafford |
| Pembroke Fire Department (NH) | PEMBFD | Pembroke Municipal Fire Alarm System | New Hampshire | Merrimack |
| Peterborough Fire Dept. | PTRBFD | Town of Peterborough Fire Service Facilities | New Hampshire | Hillsborough |
| Public Service of New Hampshire | PSNHBD | Bedford Area Work Center - Amherst, Bedford, Boscawen, Bow, Concord, Deering, Dunbarton, Francestown, Goffstown, Henniker, Hillsborough,
Hooksett, Hopkinton, Manchester (West of Merrimack River), Merrimack, Milford, Mont Vernon, New Boston, Salisbury, Sutton, Warner, Weare, Webster
and Weare | New Hampshire | Hillsborough, Merrimack, Rockingham |
| Public Service of New Hampshire | PSNHBR | Berlin Area Work Center - Berlin, Cambridge, Dummer, Errol, Gorham, Greens Grant, Jefferson, Martin's Loc., Milan, Millsfield, Pinkham's Grant, Randolph, Shelburn, Stark, Wentworth Loc. | New Hampshire | Coos |
| Public Service of New Hampshire | PSNHCH | Chocorua Area Work Center - Albany, Chatham, Conway, Eaton, Effingham, Freedom, Madison, Ossipee, Sandwich, Tamworth, Tuftonborough, Waterville | New Hampshire | Carroll |
| Public Service of New Hampshire | PSNHDE | Derry Area Work Center - Atkinson, Auburn, Chester, Danville, Derry, Hampstead, Hudson, Litchfield, Londonderry, Pelham, Sandown, Windham | New Hampshire | Hillsborough, Rockingham |
| Public Service of New Hampshire | PSNHEP | Epping Area Work Center - Barnstead, Barrington, Brentwood, Chester, Deerfield, Durham, Epping, Epsom, Fremont, Lee, Madbury, Newfields, Newmarket, Northwood, Nottingham, Pittsfield, Raymond, Strafford | New Hampshire | Merrimack, Rockingham, Strafford |
| Public Service of New Hampshire | PSNHHK | Hooksett Area Work Center - Allenstown, Auburn, Bow, Candia, Deerfield, Epsom, Hooksett, Litchfield, (East of Merrimack River), Londonderry, Pembroke and Raymond | New Hampshire | Hillsborough, Merrimack, Rockingham |
| Public Service of New Hampshire | PSNHKN | Keene Area Work Center - Alstead, Antrim, Bennington, Bradford, Chesterfield, Deering,Dublin, Fitzwilliam, Francestown, Gilsum, Greenfield, Greenville,Hancock, Harrisville, Henniker, Hillsborough, Hindsdale, Jaffery, Keene, Lyndeborough, Marlborough, Marlow, Nelson, New Boston, New Ipswich, Peterborough, Richmond, Rindge, Roxbury, Sharon, Stoddard, Sullivan, Surry, Swanzey, Temple, Troy, Washington, Westmoreland, Winchester, Windsor | New Hampshire | Cheshire, Hillsborough |
| Public Service of New Hampshire | PSNHLN | Lancaster Area Work Center - Bath, Bethlehem, Carroll, Clarksville, Colebrook, Columbia, Dalton, Easton, Franconia, Haverhill, Jefferson, Lancaster, Landaff, Lisbon, Littleton, Lyman, Northumberland, Orford, Stewartstown, Stratford, Sugar Hill, Whitefield | New Hampshire | Coos, Grafton |
| Public Service of New Hampshire | PSNHNA | Nashua Area Work Center - Amherst, Brookline, Greenville, Hollis, Hudson, Litchfield, Londonderry, Lyndeborough, Mason, Merrimack, Milford, Mont Vernon, Nashua, Pelham, Temple, Wilton, Windham | New Hampshire | Belknap, Hillsborough, Merrimack, Rockingham |
| Public Service of New Hampshire | PSNHNE | Newport Area Work Center - Bradford, Charlestown, Claremont, Cornish, Croyden, Enfield, Goshen, Grantham, Hanover, Henniker, Lempster, Lyme, New London, Newbury, Newport, Plainfield, Springfield, Sunapee, Sutton, Unity, Warner, Wilmont | New Hampshire | Grafton, Merrimack, Sullivan |
| Public Service of New Hampshire | PSNHPO | Portsmouth Area Work Center - Exeter,
Greenland, Hampton, New Castle, Newington, North Hampton, Portsmouth, Rye, Stratham | New Hampshire | Rockingham |
| Public Service of New Hampshire | PSNHRD | Rochester Area Work Center - Alton, Barrington, Brookfield, Dover, Durham, Farmington, Madbury, Middleton, Milton, New Durham, Newfields, Rochester, Rollingsford, Somersworth, Strafford, Wakefield | New Hampshire | Belknap, Carroll, Rockingham, Strafford |
| Public Service of New Hampshire | PSNHTL | Tilton Area Work Center - Alexandria, Alton, Andover, Ashland, Barnstead, Barrington, Belmont, Boscawen, Bridgewater, Bristol, Campton, Canterbury, Chichester, Concord, Danbury, Epsom, Franklin, Gilford, Gilmanton, Grafton, Hebron, Hill, Laconia, Loudon, Meredith, New Hampton, Northfield, Northwood, Nottingham, Orange, Pittsfield, Plymouth, Salisbury, Sanbornton, Strafford, Thornton, Tilton, Wilmot | New Hampshire | Belknap, Grafton, Merrimack, Strafford |
| Raymond School District | RAYMSD | Raymond School District facilities only | New Hampshire | Rockingham |
| Salem Fire Dept. | SALMFD | Town of Salem Fire Service Facilities | New Hampshire | Rockingham |
| Seabrook Fire Department | SBRKFD | Town of Seabrook Fire Service Facilities | New Hampshire | Rockingham |
| SegTel Technologies | SGTLNH | SegTel dba Firstlight Fiber - All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Somersworth Fire Department | SOMFD | Somersworth | New Hampshire | Strafford |
| Sovernet Fiber Corp. | SOVNH | New Hampshire | New Hampshire | Cheshire, Grafton |
| TDS - Chichester Telephone Co. | TDSCHI | Chichester, Loudon, Epsom | New Hampshire | Merrimack |
| TDS - Hollis Telephone Inc. | TDSHOL | Hollis | New Hampshire | Hillsborough |
| TDS - Kearsage Telephone Inc. | TDSKRS | Andover, Boscawen, Meriden, New London, Salisbury, Webster, Wilmot | New Hampshire | Merrimack, Sullivan |
| TDS - Merrimack County Telephone Inc. | TDSMER | Antrim, Bennington, Bradford, Contoocook, Deering, Henniker, Hillsboro, Hopkinton, Sutton, Warner, Webster, Wilmot | New Hampshire | Hillsborough, Merrimack, Sullivan |
| TDS - Union Telephone Inc. | TDSUNI | Alton, Alton Bay, Barnstead, Center Barnstead, Gilmanton , New Durham, Moultonborough, and Tuftonboro | New Hampshire | Belknap, Carroll, Strafford |
| TDS - Wilton Telephone Inc. | TDSWIL | Lyndeborough, Mont Vernon, Temple and Wilton | New Hampshire | Hillsborough |
| Tech Valley Communications | TVCANH | Formerly TelJet (TLJTNH)- All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Teleport Communications America | TCANH | All of New Hampshire | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Milan, Rockingham, Strafford, Sullivan |
| Time Warner Cable - South | TWCSNH | Keene, Marlborough, Richmond, Roxbury, Surry and Swanzey | New Hampshire | Cheshire |
| Topsham Communications | TOPSNH | Bradford and Orford | New Hampshire | Grafton, Merrimack |
| Town of Bristol, NH | BRSTHN | Town of Bristol, NH | New Hampshire | Grafton |
| Town of Derry Fire Department | DERYFD | Derry | New Hampshire | Rockingham |
| Uniti Leasing | UNILNH | | New Hampshire | Hillsborough |
| Unitil Energy Systems - Capital DOC | UESCAP | Allenstown, Boscawen, Bow, Canterbury, Chichester, Concord, Dunbarton, Epsom, Hopkinton, Loudon, Pembroke, Penacook, Salisbury and Webster | New Hampshire | Merrimack |
| Unitil Energy Systems - Seacoast DOC | UESSEA | Atkinson, Brentwood, Danville, Derry, East Kingston, Exeter, Greenland, Hampstead, Hampton, Hampton Falls, Kensington, Kingston. Newton, North Hampton, Plaistow, Seabrook, South Hampton and Stratham | New Hampshire | Rockingham |
| University of New Hampshire | UNH | Durham | New Hampshire | Strafford |
| Verizon New Hampshire Business | VZBZNH | MCI/MFS/Western Union/DEC/Brooks Fiber | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Verizon Wireless - New Hampshire | VZWNH | New Hampshire and all of the municipalities within the counties of Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan | New Hampshire | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan |
| Vermont Telephone Company | VTELNH | Charlestown, Lebanon and Hanover | New Hampshire | Grafton, Sullivan |
| Wolfeboro Municipal Electric Co. | WMECNH | Town of Wolfeboro
| New Hampshire | Carroll |
| Woodsville Water & Lights | WWLNH | Town of Woodsville
| New Hampshire | Grafton |