Full Customer List

  • 21st Century Telecom
  • 360 Networks
  • A & A TeleData Services
  • ACC Corp.
  • Access Point, Inc.
  • ACN, Inc.
  • Airband
  • Alaska DigiTel
  • Alestra
  • American Lightwave
  • AmericaTel
  • ANI Networks
  • Associated Network Partners Inc. (ANPI)
  • Armstrong Telephone Company (Armstrong Group)
  • Atlas Communications, Ltd
  • ATX Telecommunications Services, Inc.
  • AXCESS Networks
  • AXS Telecom
  • BEK Communications Cooperative
  • Ben Lomand Connect
  • BestComm, LLC.
  • Blair Telephone
  • Broad Margin
  • Broadview Networks
  • BTI Communications
  • BVU
  • CABS Agent
  • Callax / Dial Around
  • CapRock
  • Capsule Communications
  • Carolina West Wireless
  • Cavalier Telephone
  • Cedar Valley Communications
  • Cellular 2000
  • Cellular One of E/C Illinois
  • Cellular One of N/E Pennsylvania
  • CenturyLink/CenturyTel
  • CGI Long Distance Services
  • Charter Communications
  • Chillicothe Telephone Company
  • CIMCO
  • Cincinnati Bell
  • Cleartel Communications
  • Communication Management Services
  • Coastal Communications
  • Com Tech International Corp
  • Comcast
  • ComLink
  • CommRad.com
  • Commonwealth Long Distance
  • Community Long Distance, Inc.
  • Comporium
  • Consolidated Communications
  • Conversent Communications, LLC (a subsidiary of One Communications Corp.)
  • Copper Valley Solutions
  • Covista
  • Cox Communications
  • C Spire
  • CTC Communications
  • Cyberlink Pacific Telecommunications
  • Datalink Design
  • DeltaCom
  • Direct Communications
  • Discovery Tel
  • Dobson Telephone
  • D-Two Communications
  • E.Volve Technology Group, Inc.
  • EarthLink
  • Eclipse Communications
  • EDCO, LLC
  • Ellijay Telephone Company
  • Emery Telcom
  • ETEX Telephone Cooperative, Inc.
  • Eureka
  • Excel Communications
  • Excell Agent Services
  • Fairpoint Communications
  • FastTrack Communications
  • Filer Mutual
  • First Communications, Inc.
  • Florida Digital Network, Inc.
  • Frankfort Plant Board
  • Frontier
  • G Tel
  • General Telephone & Electronic
  • Genesis Telecommunications
  • Global Network Providers
  • Global Network Telephone
  • Go2Tel
  • Golden State Cellular
  • Granite Telecommunications
  • Great Lakes Comnet
  • Guam Telephone
  • Hargray Telephone Company
  • HickoryTech
  • Horry Telephone Cooperative, Inc. (HTC)
  • ICT Services Corporation
  • IDS Telecom
  • IDT Corporation
  • iiNet
  • ILD Telecommunications
  • InContact
  • Inland Cellular
  • Insight
  • Inteliquent
  • Interactive Communications
  • Intermedia Communications
  • ITC DeltaCom
  • iWireless
  • Ixia
  • Kinnet
  • Knology
  • LC Communications
  • LDD, Inc.
  • LibertySurf
  • Lightship Telecom
  • Logix Communications
  • London Telecommunications
  • Long Distance International, Inc.
  • Lumos Networks
  • M5
  • Marshall Islands
  • Matrix
  • McLeodUSA
  • Mediacom
  • Mercury
  • Microtech-Tel
  • Mobile Tel
  • Mpower
  • MTPCS
  • Nations Telecom
  • Navigata
  • Net2000
  • Network Intelligence, Inc.
  • Network Long Distance
  • Network Operators
  • NewSouth Communications
  • Nex-Tech Wireless
  • North State Communications
  • NOSC
  • NOVAXESS
  • NOVO Networks
  • NTS Communications
  • Nuvox
  • OLC Company
  • One Communications
  • Onvoy
  • OTT Communications
  • Pac-West Telecomm, Inc.
  • PaeTec
  • Peerless Network
  • Personal Communications
  • Phones Plus
  • Pioneer Telephone Cooperative, Inc.
  • PowerNet Global
  • PressONE
  • PRIMUS Telecommunications
  • PRIMUS Telecommunications Australia
  • PRIMUS Telecommunications UK
  • PT-1 Communications
  • Qwest Communications
  • Residential Communications Network
  • RGTS
  • RingCentral
  • Ringgold Telephone
  • Sakon International, LLC
  • ShoreTel
  • SI Wireless
  • SierraTel
  • Single Pipe
  • SingTel
  • Sirius
  • SNIP Link, LLC.
  • Soft Hemisphere
  • Solarus
  • South Carolina Net/Spirit Telecom
  • SouthernLINC
  • Sovernet
  • Spirit Telecom
  • Star Telecommunications, Inc.
  • StarTec
  • State of Washington
  • STI Prepaid / Telco Group
  • STS Telecom
  • Supra Telecom
  • Switch Port Leasing
  • Talk Talk Direct, Ltd (formerly VarTec Europe)
  • TCAST Communications, Inc.
  • TCC Communications, Inc.
  • TCS (formerly One Call)
  • TDS Telecom
  • Tech Valley Communications, Inc.
  • TECNET, INC.
  • Tel America
  • TelAlaska
  • TeleBarbados
  • TeleBermuda
  • Telecom One
  • TeleHub Network Services Corp.
  • Telekenex
  • Telem Group of Companies
  • Telepak
  • Telephone Associates
  • Telephone Systems of Georgia
  • TeliPhone
  • TelNet Worldwide
  • TexLink
  • Thousand Islands Communications
  • Thumb Cellular
  • Time Warner Cable
  • Transbeam
  • Transnational Communications International, Inc. (TNCI)
  • Transaction Network Services (TNS, Inc.)
  • Touch America, Inc.
  • Touchtone Communications
  • Trinity Valley
  • Trinsic (formerly Z-Tel Communications, Inc.)
  • UM Communications, Inc.
  • Union Telephone
  • United Wireless
  • UNSI
  • VarTec
  • VarTec Europe
  • Velocity Networks
  • VIP Communications
  • Wide Open West
  • Windstream / CT Communications, Inc.
  • Wireless Maritime Services
  • World Access Communications Corporation
  • World Access Telecommunications
  • Xchange
  • XO Communications
  • Zephyr Telecommunications, Inc.
  • Zip Com
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