Search Registered Service Providers

Common Carrier: Company that provides telecommunication services to the general public.
Pay Telephone Providers: Company that is registered to provide payphone services.
Competitive Local Exchange Carrier: Local telephone company that competes against the incumbent.
Data Local Exchange Carrier: Company that provides data services.
Incumbent Local Exchange Carrier: Local telephone company that is the incumbent in the area.
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Search Results
OrganizationTelephoneURL
1 Starview Solutions LP888-399-4329Click for website
1-800-RECONEX, Inc.800-275-8223Click for website
365 Wireless, LLC888-820-4540Click for website
3U Telecom, Inc.800-972-7538Click for website
800 Response Information Services, LLC802-860-0378Click for website
A.R.C. Networks, Inc. Click for website
AboveNet Communications, Inc.877 479-7378Click for website
ACC National Telecom Corp. Click for website
Access Long Distance, Inc.866-818-6183Click for website
Access One, Inc. Click for website
Access Point, Inc.800-957-6468Click for website
Access2go, Inc.1-866-822-2246Click for website
AccessLine Communications Corp.206-621-3500Click for website
AccessPlus Communications, Inc.978-499-9164Click for website
ACCXX Communications, LLCnone on fileClick for website
Achieve Telecom Network of Massachusetts, LLC888-743-1144Click for website
ACN Communication Services, Inc.877-226-1010Click for website
Advanced Tel, Inc.800-206-3600Click for website
Advanced Telecommunications Network800-555-4286Click for website
Advantage Telecommunications, Corp.800-841-4614Click for website
Affinity Network Incorporated(866)493-2741Click for website
Affordable Long Distance, LLC1-866-657-4742Click for website
Affordable Voice Communications, Inc.877-523-7500Click for website
Airespring, Inc.888-389-2899Click for website
Airnex Communications, Inc.800-708-4884Click for website
AllCom International800-425-5266Click for website
Alliance Global Networks LLC800-756-2236Click for website
Alliance Group Services, Inc.800-756-2236Click for website
Allied Amusements, Inc.800-990-4599Click for website
Ameracall, Inc.800-272-4031Click for website
America Net, LLC800-331-3967Click for website
American Fiber Network, Inc.800-864-0583Click for website
American Payphone Services, Inc.800-649-2952Click for website
American Phone Services Corp.800-711-1323Click for website
American Technologies, Inc.617-823-4484Click for website
American Telecommunications Systems, Inc.800-961-4245Click for website
American Telephone Company, LLC405-755-8177Click for website
AmericaTel Corporation888-801-0123Click for website
Ameritel Telephone Service877-797-0303Click for website
AmeriVision Communications, Inc.800-755-1844Click for website
Applewood Communications Corporation888-350-2362Click for website
Arch lighting Group, Inc.508-823-8277 on PremisesClick for website
Arrow Communications888-277-6926Click for website
Asia Talk Telecom, Inc.800-719-1688Click for website
AsiaTone, LLC800-726-4470Click for website
Association Administrators, Inc.800-804-2100Click for website
AT&T Corp.800-222-0300Click for website
ATC Outdoor DAS, LLC1-877-282-7483Click for website
Atlanta New York Warehouse Outlets, Inc.800-585-0555Click for website
Atlas Equity, Inc.805-570-3338Click for website
ATX Telecommunications Services800-220-2891Click for website
Avalon Communications888-217-1711Click for website
Axia NGNetworks USA, Inc617-535-7530Click for website
Backbone Communications, Inc.800-987-1111Click for website
BAK Communications, LLC877-407-8538Click for website
Bandwidth.com CLEC, LLC800-808-5150Click for website
BC Payphones800-420-9444Click for website
BCE Nexxia Corporation888-879-2272Click for website
BCN Telecom, Inc.800-768-2852Click for website
Bellerud Communications, LLC800-797-3547Click for website
BellSouth Long Distance, Inc.800-489-4951Click for website
Betterway.net LLC413-743-0050Click for website
BetterWorld Telecom, LLC866-567-2273Click for website
Bigredwire.com, Inc.805-560-8900Click for website
Billing Services of America, Inc. Click for website
Birch Communicatons Inc.888-275-0777Click for website
Bishop, Randal G.800-524-0738Click for website
BLC Management, LLC877-264-5375Click for website
Boston Saturn, Inc./Saturn of Quincy888-923-3663Click for website
BridgeCom International, Inc. Click for website
BridgeConnex, LLC888-749-3510Click for website
BridgeVoice, Inc.1-888-746-4020Click for website
Broadband Digital Technologies, Inc.202 424-7500Click for website
Broadband Dynamics, L.L.C.800-277-1580Click for website
BroadRiver Communications of the Northeast Corp.not yet operationalClick for website
Broadview Networks, Inc.800-BROADVIEWClick for website
Broadview NP Acquisition Corp.800-260-8766Click for website
Broadvox-CLEC, LLC877-884-6597Click for website
Broadwing Communications, LLC814-260-2000Click for website
BT Communications Sales LLC Click for website
Budget PrePay, Inc.888-424-5588Click for website
Buehner-Fry, Inc.514-617-2933Click for website
Bullard, Israel D.877-371-0037Click for website
BullsEye Telecom, Inc.877-638-2855Click for website
Business Discount Plan, Inc.949-798-7020Click for website
Business Network Long Distance, Inc.800-421-9739Click for website
Business Telecom, Inc.800-849-2111Click for website
Business Telephone Services Inc Click for website
Capital Telecommunications, Inc. (CTI)800-673-2400Click for website
Cause Based Commerce Incorporated877-474-3662Click for website
CBB Carrier Services, Inc.877-570-7827Click for website
Cbeyond Communications, LLC Click for website
CCCMA, Inc.501-401-7700Click for website
CCG Communications, LLC800-788-5737Click for website
Central Telecom Long Distance, Inc.1-888-988-9818Click for website
Charter Fiberlink MA-CCO, LLC866-207-3663Click for website
Choice One Communications of MA, Inc.888-832-5801Click for website
Churchill Public Communications978-352-2052Click for website
Cincinnati Bell Any Distance, Inc1-800-571-6601Click for website
Clear Call Telecom, LLC877-540-7277Click for website
Clear Rate Communications, Inc. Click for website
Clear World Communications CorporationBilling 800-569-5324/Inquiry 8Click for website
CloseCall America, Inc.877-812-5673Click for website
Coin Phone Management Company800-672-9080 or 502-499-5885Click for website
Coleman Enterprises, Inc. Click for website
Comcast Phone of Massachusetts, Inc.800-633-4266Click for website
Commonwealth Telephone Co., Inc.800-439-7170Click for website
Communicate Technological Systems888-485-9680Click for website
Communications Billing, Inc.888-884-6585Click for website
Communications Network Billing, Inc.800-407-2047Click for website
Community Wisp, Inc.888-863-1035 Ext 2Click for website
ComTech21, LLC877-312-5564Click for website
Conectado, Inc.1-877-525-6069Click for website
Consolidated Billing Group, Inc.800-742-0331Click for website
Consumer Telcom, Inc. Click for website
Convergia, Inc.800-293-7778Click for website
Conversent Communications of Massachusetts, Inc.800-275-2088Click for website
Cooperative Communications, Inc.800-833-2700Click for website
CoreTel Communications, Inc.800-851-3777Click for website
CornerStone Telephone Company, LLC866-240-1912Click for website
Corporate Calling Services, Inc.888-299-6619Click for website
Corporate Services Telecom, Inc.800-521-4978Click for website
Covista, Inc.800-805-1000Click for website
CRC Communications, LLC207-688-8811Click for website
Crexendo Business Solutions, Inc.866-621-6111Click for website
Crocker TeleCommunications, LLC866-633-1213Click for website
CTC Communications Corp.800-883-6300Click for website
Custom Network Solutions, Inc.800-809-0663Click for website
Custom Teleconnect, Inc.800-672-9080Click for website
Cypress Communications Operating Co., LLC888-528-1788Click for website
Dark Air Corp.800-930-6333Click for website
DCT Telecom Group, Inc. Click for website
DeltaCom, Inc.800-239-3000Click for website
Dial-Around Telecom, Inc.877-212-9865Click for website
Diamond Communications International, Inc.888-873-1474Click for website
DIECA Communications, Inc888-642-6823Click for website
Digital Services Corporation800-339-2295Click for website
Digizip.com, Inc.866-375-8324Click for website
dPi TeleConnect, LLC800-350-4009Click for website
DSCI Corporation866-438-3724Click for website
DSI-ITI, LLC877-650-4249Click for website
Dynalink Communications, Inc.212-352-7307Click for website
Easton Telecom Services, LLC330-659-6700Click for website
EasyLink Services, Corp.800-624-5266Click for website
Electric Lightwave, LLC800-727-8484Click for website
Elias Ventures, Inc. Click for website
Embarq Communications, Inc.800-877-3345Click for website
Embarq Payphone Services, Inc.877-904-7774Click for website
Empire One Telecommunications, Inc.800-232-5888Click for website
Encompass Communications, LLC800-530-4896Click for website
Enhanced Communications Group, LLC918-333-8833Click for website
Enhanced Communications Network, Inc.800-354-1606Click for website
EnTelegent Solutions, Inc.800-975-7192Click for website
Entrix Telecom, Inc.800-889-9126Click for website
Equal Access Communications, LLC800-875-0609Click for website
Ernest Communications, Inc.800-456-8353Click for website
Eureka Telecom, Inc. Click for website
Euronet Communications Corp.800-371-0642Click for website
Everycall Communicatons, Inc.800-336-4588Click for website
eVox Communications, LLC617-453-1212Click for website
Exergy Group, LLC877-739-3749Click for website
Expedient Carrier Services, LLC877-570-7827Click for website
ExteNet Systems, Inc.866-342-2900Click for website
EZTel Network Services, LLC888-350-2363Click for website
FairCall Corporation800-FAIRCALClick for website
FairPoint Business Services LLC800-400-5568Click for website
Fiber Technologies Networks, LLC866-697-5100Click for website
Financial Services Co., Inc. (IPP)508-756-3443Click for website
First Communications, LLC800-274-1015Click for website
Flower Vending Co., Inc.800-281-1124Click for website
Forest City Network Solutions, LLC617-225-0310Click for website
France Telecom Corporate Solutions, LLC866-280-3726Click for website
Freedom Ring Communications, LLC800-639-9896Click for website
FreedomStarr Communications, Inc760-476-4100Click for website
Frontier Communications of America, Inc.800-727-1653Click for website
G3 Telecom USA, Inc.888-315-3050Click for website
G4 Telecom MA, LLC603-703-0411Click for website
Gardner American Legion, Post 129 Click for website
GC Pivotal, LLC1-866-226-4244Click for website
General Telephone Company617-227-0325Click for website
Genesis Fiber Communications, LLC617-475-5090Click for website
Global Crossing Local Services Inc.800-414-1973Click for website
Global Crossing Telecommunications, Inc.800 249 4672Click for website
Global NAPs, Inc.617-507-5100Click for website
Global Tel*Link Corporation703-955-3910Click for website
Global Telecom & Technology Americas Inc.866-767-2767Click for website
Global Touch Telecom, Inc.800-254-3109Click for website
Globalcom, Inc.800-589-1531Click for website
Globetel, Inc.866-937-2556 & 877-937-2556Click for website
Go Solo Technologies, Inc.800-920-7656Click for website
Gold Line Telemanagement, Inc.800-803-4410Click for website
GPCS Fiber Communications, Inc.888-520-0688Click for website
GPCS of Massachusetts, LLC866-265-1003Click for website
Granby Telephone & Telegraph Company of Mass., Inc.413-467-9911Click for website
Granite Telecommunications, LLC866 847-5500Click for website
Grasshopper Group, LLC800-820-8210Click for website
Group Long Distance, Inc.800-521-5422Click for website
GST Net, Inc.800-355-4841Click for website
GTC Telecom Corp.800-486-4030Click for website
GTN Corp.800-938-4949Click for website
Hamdan, Monjid S.617-899-7270Click for website
Heisenberg Communications, Inc.617-507-5100Click for website
Horizon Telecom, Inc.800-435-9217Click for website
HRCA Housing For Elderly, Inc.781-289-4505 on premisesClick for website
Hypercube Telecom, LLC866-905-1735Click for website
iBasis Retail, Inc.877-291-9783Click for website
IBFA Acquistion Company, LLC800-362-3276Click for website
ICLEC,LLC Click for website
IDT America, Corp.800-889-9126Click for website
Impact Telecom, Inc.866-557-8918Click for website
IMR Telecom Click for website
Incomnet Communications Corporation800-569-4682Click for website
iNetworks Group, Inc.312-212-0822Click for website
Infotelecom, LLC800-585-7908Click for website
Inmark, Inc.800-460-0556Click for website
Inmate Calling Solutions, LLC888-506-8407Click for website
Integrated Communications Consultants888-832-9422Click for website
Integrated Services, Inc.800-441-5395Click for website
Intelecall Communications, Inc.800-868-7170Click for website
IntelePeer, Inc.1-866-780-8639Click for website
Intellicall Operator Services, Inc.800 458-4950Click for website
Intellifiber Networks, Inc877-228-7658Click for website
Inter-Tel NetSolutions, Inc.800-821-1661Click for website
International Network Solutions, LLC1-866-288-2187Click for website
International Telcom, Ltd. Click for website
Internet and Telephone, LLC888-724-7638Click for website
Interstate Telecommunications, Inc.800-257-6290Click for website
Intrado Communications, Inc.877-856-7504Click for website
IPC Network Services, Inc.888-286-2343Click for website
IPVoice Communications, Inc.770-232-9200Click for website
Jaroth, Inc.888-420-6700Click for website
JLR Communications, Inc.888-216-1337Click for website
KDDI America, Inc.888-833-2678Click for website
KPV Enterprises, LLC800-948-7614Click for website
Layer-Eight, Inc.203-935-8959Click for website
LCR Telecommunications, L.L.C.877-554-7958Click for website
LDC Telecommunications, Inc. Click for website
LDMI Telecommunications, Inc. Click for website
Legacy Long Distance International, Inc.1-800-577-5534Click for website
Legent Communications Corporation866-469-0829Click for website
Level 3 Communications, LLC814-260-2000Click for website
Liberty-Bell Telecom, LLC855-347-3474Click for website
Lifeconnex Telecom, LLC Click for website
Light Tower Fiber, LLC978-264-6000Click for website
Lightcom International, Inc.800-LIGHTCOMClick for website
Lighthouse Telecom, LLC800-610-5291Click for website
Lightship Telecom, LLC877-548-7447 or 781-768-2300Click for website
Lightyear Network Solutions, LLC800-805-8383Click for website
Locus Telecommunications, Inc.800-939-1258Click for website
Long Distance Access, Inc.866-818-6183Click for website
Long Distance Billing Services, Inc.888-350-2363Click for website
Long Distance Consolidated Billing Co.800-645-1960Click for website
Long Distance Direct Holdings, Inc.800-882-8603Click for website
LoTel, Inc888-849-9773Click for website
M.B.E. Coin Phone, LLC Click for website
MA-CLEC LLC724-416-2000Click for website
Magellan Hill Technologies, Inc.800-470-1994Click for website
Mass-Tel, Inc. Click for website
Massachusetts Local Telephone Company, Inc.888-248-MLTCClick for website
MassComm, Inc.866-791-6277Click for website
Master Call Communications, Inc.800-816-7907Click for website
Matrix Telecom, Inc.888-411-0111Click for website
Maxcess, Inc.407-513-7704Click for website
McGraw Communications, Inc.888-543-2000Click for website
MCI Communications Services, Inc.800-275-0100Click for website
MCImetro Access Transmission Services of MA Inc.800-275-0100Click for website
MCImetro Access Transmission Services, LLC800-275-0100Click for website
McLeodUSA Telecommunications Services , Inc.800-500-3453Click for website
MegaCLEC, Inc.508-646-0020Click for website
Merrimack Education Center978-275-1600Click for website
MetroLink Communications, Inc. Click for website
Metropolitan Telecommunications of MA, Inc.877-METTEL-1 or 877-638-8351Click for website
Millennium Group Telemanagement, LLC Click for website
Miracle Communications, Inc.805-374-2460Click for website
Mitel NetSolutions, Inc.602-253-6004Click for website
MMG Holdings, Inc.888-237-3966Click for website
Mobilitie, LLC877-999-7070Click for website
Momentum Telecom, Inc.1-877-271-0236Click for website
Mosaic Networx LLC866-724-2605Click for website
Multiline Long Distance, Inc.800-985-6407Click for website
National Collegiate, Inc.800-316-1893Click for website
National Directory Assistance, LLC Click for website
Nationwide Long Distance Service, Inc.800-853-7409Click for website
Navigator Telecommunications, LLC877-762-8835Click for website
NBH Public Communications, Inc.888 678 2933Click for website
NECC Telecom, Inc.800-766-2642Click for website
NEON Connect, Inc.800-789-6366Click for website
Net One International, Inc.888-426-4968Click for website
NetTalk.Com, Inc.305-621-1200Click for website
Network Access Solutions, Inc Click for website
Network Billing Systems, L.L.C.888-301-1721Click for website
Network Communications International Corp.888-686-3699Click for website
Network Enhanced Technologies, Inc.888-979-3155Click for website
Network Innovations, Inc.1-888-450-2100Click for website
Network Operator Services, Inc.800-530-4897Click for website
Network PTS, Inc.866-450-4787Click for website
Network Service Billing, Inc.800-745-2479Click for website
Network US, Inc.877-446-3896Click for website
NetworkIP, LLC877-638-7762Click for website
Neutral Tandem-Massachusetts, LLC888-682-6336Click for website
New Century Telecom, Inc.866-515-5142Click for website
New Edge Network, Inc.877-725-3343Click for website
New England Municipal Telephone Associates, LLC800-547-0090Click for website
New England Payphone, Inc.866-637-7297Click for website
New England Public Networks, Inc. Click for website
New Hampshire Optical Systems, Inc.866-983-4237Click for website
New Horizons Communications Corp.781-290-4600 or 781-290-4612Click for website
New Rochelle Telephone, Corp.800-808-4999Click for website
NextG Networks of New York, Inc.866-446-3984Click for website
NextGen Communications, Inc800-959-3749Click for website
Nextlink Wireless, Inc.877-714-6398Click for website
NobelTel,LLC800-986-6235Click for website
Norfolk County Internet, Inc.800-360-4010Click for website
NorLight Telecommunications, Inc.877-599-3285Click for website
Normandy Farms Family Campground, Inc. Click for website
Norstan Network Services, Inc.813-579-3224Click for website
Norstar Telecommunications, LLC Click for website
North American Telecom, Inc.800-622-3551Click for website
North Atlantic Networks, LLC508-339-0482Click for website
Northwest Communications, Inc. Click for website
NOS Communications, Inc.(888) 569-4667Click for website
NOSVA Limited Partnership888-569-4667Click for website
NovaTel Ltd., Inc.888-765-6682Click for website
NSC Service Corporation800-559-1040Click for website
Ntegrity Telecontent Services, Inc, Click for website
OLS, Inc.888-399-4660Click for website
One Source Networks CLEC LLC888-228-6000Click for website
One To One Comm Inc. Click for website
OneLink Communications, Inc.800-557-4033Click for website
ONLINE SAVINGS, INC.877-271-5582Click for website
OpenCape Corporation888-253-2561Click for website
Operator Service Company, LLC Click for website
OPEX Communications, Inc.888-577-7266Click for website
Outside Connection, Inc.800-270-8810Click for website
Pac-West Telecomm, Inc.877-626-4325Click for website
PaeTec Communications, Inc.877-340-2600Click for website
Pay Tel Communications, Inc.800-729-8355Click for website
Payphone Systems, Inc.800-564-2124Click for website
Payphone, LLC800-380-4427Click for website
Peerless Network of MA, LLC888-380-2721Click for website
Pelzer Communications Corporation866-626-1608Click for website
Perkins Paper, Inc. Click for website
PNG Telecommunications, Inc.800-860-9495Click for website
Power-Finder West Communications, LLC800-342-5500Click for website
Preferred Carrier Services, Inc.800-288-0910Click for website
Premiere Billing Services, Inc. Click for website
Premiere Network Services, Inc.888-773-4373Click for website
PrimeTel Communications, Inc.888-774-6383Click for website
Primus Telecommunications, Inc.800-877-4687Click for website
Public Communications Services, Inc.888-350-1000Click for website
Public Interest Network Services, Inc.800-835-6299Click for website
Public Wireless, Inc.408-263-4600Click for website
Pulse Telecom, LLC502-327-0055Click for website
Quality Telephone Inc.214-884-1750Click for website
QuantumShift Communications, Inc.888-994-1000Click for website
QuickTel, Inc.800-526-1310Click for website
Qwest Communications Company, LLC877-440-8959 or 800-860-2255Click for website
QX Telecom, LLC212-689-9094Click for website
R2C Communications, Inc.800-689-5058Click for website
RCN New York Communication, LLC (RCN)800-746-4726Click for website
RCN-BecoCom, LLC1-800-746-4276Click for website
RDST, Inc. Click for website
Reduced Rate Long Distance, LLC866-367-7753Click for website
Regal Auto Parts, Inc.800-421-1041Click for website
Reliable Pay Telephone, Inc.800-718-5192Click for website
Reliance Communications International Inc.212-319-3755Click for website
Reliance Globalcom Services, Inc.877-740-6600Click for website
Reliant Communications, Inc.800-810-2199Click for website
Residential Long Distance, Inc.888-536-6017Click for website
Richmond Connections, Inc.1-866-240-1912Click for website
Richmond Telephone Company866-240-1912Click for website
RNK, Inc.781-613-6000Click for website
Rockland Health Group, LLC781-878-3308Click for website
Roman LD, Inc.888-227-2759Click for website
RRV Enterprises, Inc.800-329-0910Click for website
Saturn Telecommunications Services, Inc.800-617-2887Click for website
Savvis Communications Corp.314-628-7000Click for website
SBC Long Distance, LLC Click for website
SBR, Inc.800-317-4509Click for website
SecurFone America, Inc.800-414-0629Click for website
Securus Technologies, Inc.800-559-1535Click for website
SegTEL, Inc.800-890-1744Click for website
SelecTel, Inc.386-492-7927Click for website
Sentinel Tree Telephone Company, Inc.508/299-8013Click for website
Silv Communication Inc.888-723-2199Click for website
SNET America, Inc.800-808-7638Click for website
Spectrotel, Inc.888-752-6240 or 888-700-5850Click for website
Sprint Communications Company, L.P.800-829-0965Click for website
StarWays Telecommunications, Inc. Click for website
STi Prepaid, LLC Click for website
STI Telecom Inc.617-595-8527Click for website
Stoneview Properties, Inc.508-540-9274Click for website
StormTel, Inc800-860-6418Click for website
Streamline Networks, Inc.866-863-1035 Ext. 2Click for website
STS Connect, Inc.866-266-8025Click for website
Sunesys, LLC1-800-286-6664Click for website
Switchwire Network, Inc.888-438-6821Click for website
Symbiont, Inc.800-796-2466Click for website
T&T Friendly Laundromat Click for website
T-NETIX Telecommunications Svcs, Inc./Securus Tech888-559-1535Click for website
Taconic TelCom Corp.800-TACONICClick for website
Taconic Telephone Corporation800-TACONICClick for website
Talk America, Inc.800-291-9699Click for website
TCG New Jersey, Inc. Click for website
TDS Long Distance Corporation1-888-CALL-TDSClick for website
Telcentrex, LLC888-835-2368Click for website
Telco Experts, LLC1-800-795-6200Click for website
Telco Partners, Inc.610-834-1860Click for website
Tele Circuit Network Corp.877-835-3247Click for website
Tele-Global Communications, Inc.800-400-1509Click for website
Telecare, Inc.800-466-1550Click for website
Telecarrier Services Inc.800-644-1850Click for website
TeleCents Communications, Inc.1-800-899-8555Click for website
Telecom Management, Inc.888-492-6878Click for website
Telecom Worldwide Solutions305-890-8688Click for website
Telecommunications Cooperative Network, Inc. (TCN)877-400-5594Click for website
TeleConex, Inc.888-831-4300Click for website
Teleconnect Long Distance Services & Systems Co. Click for website
Teledias Communications, Inc.800-215-9606Click for website
Telenational Communications, Inc.800-636-5436Click for website
Teletrust, Inc.800-998-7893Click for website
TeleUno, Inc.800-240-1109Click for website
Televend, Inc. Click for website
Televergence Solutions, Inc.800-706-5199Click for website
Tellis, LLC866-835-5477Click for website
Telmex USA, LLC954-517-7300Click for website
Telrite Corporation678-202-1292Click for website
Think 12 Corporation1-800-615-3902Click for website
Time Warner Cable Information Services (Mass.) LLC866-321-CABLE (2225) or 518-24Click for website
TIP Systems, LLC (Payphone)888-6-INMATEClick for website
Total Access Telecom, Inc.877-654-1536Click for website
Total Call International, Inc.800-211-8096Click for website
Total Communications, Inc.860-622-4005Click for website
Total Holdings, Inc.1-800-486-4030Click for website
Touch 1 Communications, Inc.800-286-8241Click for website
Touchtone Communications, Inc.800-266-4006Click for website
Trans National Communications International, Inc.800-800-8400Click for website
Transbeam, Inc.212-683-8330Click for website
Tremcom International, Inc.800-350-7466Click for website
Tri-M Communications, Inc888-965-8620Click for website
Triach Marketing, Inc.877-303-0643Click for website
Tricom USA, Inc.800-788-7859Click for website
Tristate Bell of MA, Inc.718-854-3360Click for website
TTI National, Inc.800-437-1140Click for website
TTUSA Acquisition, Inc.800-287-7626Click for website
TVC Albany, Inc.518-598-0940Click for website
TW Telecom Data Services LLC303-566-1000Click for website
Twin City Capital, LLC877-271-5582Click for website
U.S. South Communications, Inc.800-305-6009Click for website
U.S. Telecom Long Distance, Inc.888-299-6618Click for website
UCN, Inc.866-541-0000Click for website
Uni-Tel Communications Group, Inc.800-499-5912Click for website
United America Technologies, Inc. Click for website
United Telemanagement Systems, Inc.800-225-8352Click for website
Universal Telephone Services Corp.800-880-5157Click for website
USA Digital Communications, Inc.800-598-7949Click for website
USD CLEC, Inc.877-532-8263Click for website
Value-Added Communications, Inc.800-777-9759Click for website
Vanco US, LLC312-881-4731Click for website
Vanilla, Inc.866-698-1902Click for website
Vcentrix Inc.800-274-1015Click for website
Velocity The Greatest Phone Company Ever, Inc. Click for website
Verizon Enterprise Solutions LLC800-837-4966Click for website
Verizon Long Distance, LLC800-837-4966Click for website
Verizon New England, Inc.888-382-6500Click for website
Verizon Public Communications800-941-9900Click for website
Verizon Select Services, Inc.800-483-6222Click for website
Voice Ride, LLC1-888-867-8670Click for website
Voicecom Telecommunications, LLC888-554-7835Click for website
W2COM International, LLC877-292-2662Click for website
WDT World Discount Telecommunications, Co.(888) 353-0808Click for website
Wholesale Carrier Services, Inc.888-280-4927Click for website
WilTel Communications, LLC Click for website
WiMacTel, Inc888-476-0881Click for website
Windstream Communications, Inc.888-925-5835Click for website
Wing Kueng Corporation Click for website
Winstar Communications, LLC800-606-6330Click for website
WinStar Wireless, Inc.202-833-5678Click for website
Working Assets Funding Service, Inc800 788-0898Click for website
World-Link Solutions, Inc.800-750-8353Click for website
Worldnet Communications, Inc.888-262-0922Click for website
Worldnet Group Telecom, Inc.888-999-8557Click for website
Worldwide Marketing Solutions, Inc.1-800-693-3492Click for website
X2Comm, Inc.866-330-4322Click for website
XCOM Technologies Click for website
XO Communications Services Inc.888-575-6398Click for website
Yak Communications (America) Inc.305-993-6700Click for website
YMax Communications Corp.888-230-0060Click for website
Zone Telecom, Inc.856-667-2550Click for website
Ztelephony, LLC800-967-5368Click for website