661 Carriers

Ymax Communications Corp Ca Xo California, Inc.
Verizon California Inc. - Ca Utility Telephone, Inc. - Ca
Us Telepacific Corp. - Ca Time Warner Telecom Of Califor
Time Warner Telcom Of Californ The Telephone Connection Of Lo
Teleport Communications Los An T-Mobile Usa, Inc.
Sprint Spectrum L.P.- Ca Sprint Spectrum L.P.
Sprint Communications Company, Silver Strand Enterprises, Llc
Shelcomm Sbc Internet Services, Inc.
Paetec Communications, Inc. - Pacific Bell - Clec
Pacific Bell - Ca Pacific Bell
Pac-West Telecomm, Inc. - Ca O1 Communications, Inc.
North County Communication Cor Nextel Communications, Inc.
Neutral Tandem California Network Services Llc
Mpower Networks Services Inc. Metrocall
Metro Pcs Mci Metro Ats, Inc. - Ca
Level 3 Communications, Llc - Kmc Telecom V, Inc.-Ca
Integrated Communications Cons Digitcom Services, Inc.
Cook Telecom, Inc. Commpartners, Llc - Ca
Cf Communications Cellco Partnership Dba Verizon
Brooks Fiber Communications Of Broadwing Communications, Llc
Blue Licenses Holding, Llc At&T - Local - Ca
Arrival Communications, Inc. - Arch Wireless Holdings, Inc.
American Messaging (Am), Inc. 360Networks


661 Cities

WascoVan Nuys
TehachapiTaft
Sherman OaksShafter
SaugusSanta Clarita
Santa AnaSan Diego
RosamondRiverside
PalmdaleNewhall
MojaveMc Farland
MaricopaLost Hills
Los AngelesLong Beach
LlanoLittlerock
LebecLancaster
LamontLake Hughes
KeeneIrvine
Hi VistaGlennville
FellowsEdwards
EarlimartDelano
CuyamaCayucos
CastaicCanyon Country
California Hot SpringsCaliente
ButtonwillowBakersfield
ArvinActon


661 Exchanges

661309661375661496661551661825661886