520 Carriers

Ymax Communications Corp Az Xspedius Management Co. Switch
Xo Arizona, Inc. Western Wireless Corporation-A
Wayne Markis Dba Handy Page Valley Tel Coop Inc - Az
Valley Connections, L.L.C. - A Tohono Oodham Utility Authorit
Time Warner Telecom Of Arizona Teleport Communications Phoeni
Table Top Telephone Co. T-Mobile Usa, Inc.
Sprint Spectrum L.P.- Az Sprint Spectrum L.P.
Sbc Telecom, Inc. - Az Rural Network Services, Inc. -
Qwest Corporation - Az Pac-West Telecomm, Inc. - Az
North County Communications Co Nextel Communications, Inc.
Neutral Tandem Arizona Network Services Llc (Tsr)
Network Services Llc Mountain Telecommunications, I
Midvale Tel Exch - Az Mcleodusa Telecommunication Se
Mci Metro Ats, Inc. - Az Level 3 Communications, Llc -
Leap Wireless Intl, Inc. Dba C Gila River Telecomm Inc
Gila Local Exchange Carrier Cox Arizona Telcom, Inc. - Az
Copper Valley Telephone, Inc. Cellco Partnership Dba Verizon
Caprock Telecommunications Cor Brooks Fiber Communications Of
Blue Licenses Holding, Llc At&T - Local - Az
At&T - Local Arizona Tel Co
Arch Wireless Holdings, Inc. Alltel Communications Of The S


520 Exchanges

520370520586520686520891