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
?? Click for website
365 Wireless, LLC888-820-4540Click for website
800 Response Information Services, LLC800-639-1650Click for website
A.R.C. Networks, Inc. Click for website
Access Long Distance, Inc.866-818-6183Click for website
Access One, Inc. Click for website
AccessLine Communications Corporation877-880-0055Click for website
AccessPlus Communications, Inc.978-499-9164Click for website
ACN Communication Services, LLC877-226-1010Click for website
Advanced Telecommunications Network, Inc.800-555-4286Click 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
Airespring, Inc.800-825-1055Click for website
Airus, Inc. fka IntelePeer, Inc.888-380-2721Click for website
Alliance Global Networks LLC800-756-2236Click for website
American Payphone Services, Inc.800-649-2952Click for website
American Telecommunications Systems, Inc.800-961-4245Click for website
American Telephone Company, LLC888-943-8282Click for website
AmeriVision Communications, Inc.800-755-1844Click for website
ANPI Business, LLC877-366-2674Click for website
ANPI, LLC877-366-2674Click for website
AT&T Corp.800-222-0300Click for website
ATC Outdoor DAS, LLC1-877-282-7483Click for website
ATX Licensing, Inc.800-220-2891Click for website
Axia NG Networks USA, Inc. aka KCST USA, Inc.617-535-7530Click for website
Bandwidth.com CLEC, LLC800-808-5150Click for website
Barr Tell USA, Inc.212-226-4420Click for website
BCE Nexxia Corporation888-879-2272Click for website
BCM One, Inc.888-543-2000Click for website
BCN Telecom, Inc.800-768-2852Click for website
BetterWorld Telecom, LLC866-567-2273Click for website
Billing Services of America, Inc.877-773-2888Click for website
Brazillian Help, Inc.800-994-0016Click for website
BridgeCom International, Inc. Click for website
BridgeConnex, LLC888-749-3510Click for website
Broadband Dynamics, LLC800-277-1580Click 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
Buehner-Fry, Inc.514-617-2933Click 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, LLC800-849-2111Click for website
CallCatchers, Inc.800-477-1477 x 2Click for website
Cambridge Network Solutions, LLC617-945-2555Click for website
CapeNet, LLC857-496-1752Click for website
Cause Based Commerce Incorporated877-474-3662Click for website
CBB Carrier Services, Inc.877-570-7827Click for website
CBTS Technology Solutions LLC1-800-571-6601Click for website
Central Telecom Long Distance, Inc.1-888-988-9818Click for website
CenturyLink Communications, LLC1-866-642-0444Click for website
CenturyLink Public Communications, Inc.888-664-7839Click for website
Certain Communications Corporation310-933-6500Click for website
Charter Fiberlink MA-CCO, LLC866-207-3663Click for website
Choice One Communications of MA, Inc.888-832-5801Click for website
City of Westfield, Gas and Electric Department413-572-0100Click for website
Clear Rate Communications, Inc.877-877-4799Click for website
Cloud Computing Concepts, LLC1-877-247-4949Click for website
ComApp Technologies LLC866-800-2802Click for website
Comcast Phone of Massachusetts, Inc.800-633-4266Click for website
Common Point LLC877-366-2674Click for website
Commonwealth Telephone Co., Inc.800-439-7170Click for website
Communications Network Billing, Inc.800-407-2047Click for website
ComTech21, LLC877-312-5564Click 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
Cox Rhode Island Telcom, LLC401-383-2000Click for website
CPMC, Inc.800-950-2762Click for website
CRC Communications, LLC207-688-8811Click for website
Crexendo Business Solutions, Inc.866-621-6111Click for website
Crocker Communications, Inc.866-633-1213Click for website
Crown Castle Fiber LLC1-855-913-4237Click for website
Crown Castle NG East LLC888-632-0931Click 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
DCT Telecom Group, Inc. Click for website
DeltaCom, LLC800-239-3000Click for website
dishNET Wireline, LLC855-347-3474Click for website
DSCI Corporation, see name change DSCI, LLC866-438-3724Click for website
DSCI, LLC877-344-7441Click for website
DSI-ITI, LLC877-650-4249Click for website
Dynalink Communications, Inc.212-352-7307Click for website
EarthLink Business, LLC855-965-0180Click for website
Easton Telecom Services, LLC330-659-6700Click for website
Electric Lightwave, LLC800-727-8484Click 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
ESI Advanced Wireless Networks, LLC866-342-2900Click for website
Eureka Telecom, Inc. Click for website
ExteNet Asset Entity, LLC1-866-892-5327Click for website
ExteNet Systems, Inc.866-342-2900Click for website
FairPoint Business Services LLC844-968-7224Click for website
Fiber Technologies Networks, LLC866-697-5100Click for website
First Choice Technology, Inc.888-598-0672Click for website
First Communications, LLC800-274-1015Click for website
FirstLight Fiber, Inc888-832-4976Click for website
France Telecom Corporate Solutions, LLC866-280-3726Click for website
Frontier Communications of America, Inc.800-727-1653Click for website
Fusion Communications, LLC888-301-1721Click for website
G3 Telecom USA, Inc.888-315-3050Click for website
Gardner American Legion, Post 129 Click for website
GC Pivotal, LLC1-866-226-4244Click for website
GetGo Communications, LLC855-673-2532Click for website
Global Crossing Local Services Inc.800-414-1973Click for website
Global Crossing Telecommunications, Inc.800 249 4672Click for website
Global Tel*Link Corporation877-650-4249Click for website
GoDaddy.com, LLC480-505-8877Click for website
Granby Telephone LLC413-467-9911Click for website
Granite Telecommunications, LLC866 847-5500Click for website
Grasshopper Group, LLC800-820-8210Click for website
iBasis Retail, Inc.877-291-9783Click for website
IDT America Corp.800-889-9126Click for website
IMR Telecom Click for website
inContact, Inc.866-541-0000Click for website
Independent Connections LLC413-997-2100Click for website
iNET Communications, LLC1-855-463-8662Click for website
Inmark, Inc.800-460-0556Click for website
Inmate Calling Solutions, LLC888-506-8407 or 800-661-3845Click for website
Integrated Services, Inc.800-441-5395Click for website
InteleTel, LLC877-513-9844 ext. 1Click for website
Intelletrace, Inc.800-618-5877Click for website
Intellifiber Networks, LLC877-228-7658Click for website
Internap Connectivity LLC877-843-7627Click for website
International Network Solutions, LLC*Revoked1-866-288-2187Click for website
International Telcom, Ltd. Click for website
Interstate Telecommunications, Inc.800-257-6290Click for website
IPC Network Services, Inc.888-286-2343Click for website
IRU Networks, LLC888-250-2111Click for website
KDDI America, Inc.888-833-2678Click for website
Last Mile Solutions, LLC774-641-6080Click for website
Lattice Incorporated1-888-843-1979Click for website
LCR Telecommunications, LLC877-554-7958Click for website
LDMI Telecommunications, LLC800-291-9699Click for website
Legacy Long Distance International, Inc.1-800-577-5534Click for website
Legent Comm LLC866-469-0829Click for website
Leon A. Cote800-610-5291Click for website
Level 3 Communications, LLC814-260-2000Click for website
Level 3 Telecom Data Services, LLC303-566-1000Click for website
Lightower Fiber Networks I, LLC1-888-583-4237Click for website
Lightship Telecom, LLC877-548-7447 or 781-768-2300Click for website
Lingo Communications of the Northeast, LLC866-405-4646Click for website
Local Access, LLC1-866-841-7898Click for website
Long Distance Access, Inc.866-818-6183Click for website
Long Distance Consolidated Billing Co.800-300-0988Click for website
M.B.E. Coin Phone, LLC Click for website
Magna5 LLC866-240-1912Click for website
Magna5 RTC, LLC866-240-1912Click for website
Massachusetts Local Telephone Company, Inc.888-248-MLTCClick for website
MassComm, LLC Click for website
Matrix Telecom, LLC888-411-0111Click for website
MCI Communications Services, Inc.800-275-0100Click for website
MCImetro Access Transmission Services of Massachusetts, Inc.800-275-0100Click for website
McLeodUSA Telecommunications Services , LLC800-500-3453Click for website
MegaCLEC, Inc.508-646-0020Click for website
Merrimack Education Center978-275-1600Click for website
Metropolitan Telecommunications of MA, Inc.877-METTEL-1 or 877-638-8351Click for website
Miracle Communications, Inc.805-374-2460Click for website
Mitel Cloud Services, Inc.800-821-1661Click for website
Mobilitie Management, LLC877-999-7070Click for website
Mobilitie, LLC877-999-7070Click for website
Mosaic Networx LLC866-724-2605Click for website
Multiline Long Distance, Inc.800-985-6407Click for website
Nationwide Long Distance Service, Inc.800-853-7409Click for website
NECC Telecom, Inc.800-766-2642Click for website
Netwolves Network Services, LLC.813-579-3224Click for website
Network Billing Systems, LLC888-301-1721Click 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 Service Billing, Inc.800-745-2479Click for website
NetworkIP, LLC877-638-7762Click for website
Neutral Tandem-Massachusetts, LLC888-682-6336Click for website
New Horizons Communications Corp.781-290-4600 or 866-241-9423Click for website
NextGen Communications, Inc800-959-3749Click for website
NHB Public Communications, Inc.888 678 2933Click for website
Norstar Telecommunications, LLC Click for website
North Atlantic Networks, LLC508-339-0482Click for website
NOS Communications, Inc.(888) 569-4667Click for website
NOSVA Limited Partnership888-569-4667Click for website
NUTEL Communications, Inc.1-855-854-8326Click for website
OneLink Communications, Inc.800-557-4033Click for website
Onepath Systems, LLC877-663-7971Click for website
ONLINE SAVINGS, INC.877-271-5582Click for website
Onvoy, LLC800-933-1224Click for website
OpenCape Corporation888-253-2561Click for website
Operator Service Company, LLC Click for website
OPEX Communications, Inc.888-577-7266Click for website
Otelco Telecommunications, LLC800-286-4600Click for website
PacOptic Networks, LLC888-722-8188Click for website
PaeTec Communications, LLC877-340-2600Click for website
Pay Tel Communications, Inc.800-729-8355Click for website
Peerless Network of Massachusetts, LLC888-380-2721Click for website
PEG Bandwidth MA, LLC610-660-4910Click for website
PNG Telecommunications, Inc.800-860-9495Click for website
Public Communications Services, Inc.888-350-1000Click for website
Public Interest Network Services, Inc.800-835-6299Click for website
Pulse Telecom, LLC502-327-0055Click for website
QuantumShift Communications, Inc.888-994-1000Click for website
RCLEC, Inc.1-888-898-4591 or 877-888-3156Click for website
RCN Telecom Services of Massachusetts, LLC1-800-746-4276Click for website
Reduced Rate Long Distance, LLC866-367-7753Click for website
Reliable Air-Vac, Inc.800-718-5192Click for website
Reliant Communications, Inc.800-810-2199Click for website
SBC Long Distance, LLC Click for website
Securus Technologies, Inc.800-559-1535Click for website
Sentinel Tree Telephone Company, Inc.508-299-8013Click for website
Spectrotel of New England, LLC888-773-9722Click for website
Sprint Communications Company, L.P.1-855-848-3280Click for website
SQF, LLC1-844-484-5766Click for website
Stratus Networks, Inc.1-866-822-2246Click for website
Streamline Networks, Inc.866-863-1035 Ext. 2Click for website
Sunesys, LLC1-800-286-6664Click for website
Synergem Technologies, Inc.336-808-0911Click for website
Taconic TelCom Corp.844-968-7224Click for website
Taconic Telephone Corporation844-968-7224Click for website
Talk America Services, LLC501-537-0769Click for website
Talk America, LLC800-291-9699Click for website
TC Systems, Inc.888-227-3824Click for website
TDS Long Distance Corporation1-888-CALL-TDSClick for website
Telco Experts, LLC1-800-795-6200Click for website
Telecom Management, Inc.888-492-6878Click for website
Teleport Communications America, LLC888-227-3824Click for website
Televend, Inc. Click for website
Teliax, Inc.888-483-5429Click for website
Telmex USA, LLC954-517-7300Click for website
Telrite Corporation678-202-1292Click for website
Time Clock Solutions, LLC855-753-0941Click for website
Time Warner Cable Business LLC877-636-3278Click for website
Time Warner Cable Information Services (Mass.) LLC866-321-CABLE (2225) or 518-24Click for website
TNCI Operating Company LLC800-360-1902Click for website
Total Holdings, Inc.1-800-486-4030Click for website
Touchtone Communications, Inc.800-266-4006 or 866-727-3323Click for website
Transbeam, Inc.212-683-8330 or 703-442-5500Click 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
Universal Telephone Services Corp.800-880-5157Click for website
USA Digital Communications, Inc.800-598-7949Click for website
Value-Added Communications, Inc.877-650-4249Click for website
Vanco US, LLC312-881-4731Click for website
Velocity, The Greatest Phone Company Ever, Inc. Click for website
Verizon Long Distance LLC800-837-4966 / 800-VERIZONClick for website
Verizon New England, Inc.888-382-6500Click for website
Verizon Select Services, Inc.800-483-6222Click for website
Vitcom LLC212-571-4000Click for website
Vodafone US, Inc.1-855-377-8360Click for website
Voicecom Telecommunications, LLC888-554-7835Click for website
Voxbeam Telecommunications, Inc.321-710-6898Click for website
West Safety Communications, Inc.877-262-3775Click for website
West Telecom Services, LLC866-905-1735Click for website
Wholesale Carrier Services, Inc.888-280-4927Click for website
Wide Voice, LLC866-508-9020Click for website
WilTel Communications, LLC Click for website
WiMacTel, Inc888-476-0881Click for website
Windstream Communications, LLC800-341-1991Click for website
Working Assets Funding Service, Inc.800 788-0898Click for website
Worldwide Marketing Solutions, Inc.1-800-693-3492Click for website
X2Comm, Inc.866-330-4322Click for website
XO Communications Services LLC888-575-6398Click for website
YMax Communications Corp.888-230-0060Click for website
Zayo Group, LLC866-364-6033Click for website