972 Carriers

Xspedius Mgt Co. Switched Serv Xo Texas, Inc.
Winstar Communications, Llc - Western Communications, Inc. D
Valor Telecomm. Of Texas, Lp - United Tel Co Of Texas
Time Warner Communications Axs Texas Windstream, Inc.
Texas Instruments, Inc. Teletouch Communications, Inc.
Teleport Communications Dallas T-Mobile Usa, Inc.
Star Net Paging, Inc. Sprint Spectrum L.P.
Southwestern Bell Wireless, Ll Southwestern Bell Telephone Co
Southwestern Bell - Tx Southwestern Bell
Progressive Concepts, Inc. - T Prism Operations, Llc - Tx
Pac-West Telecomm, Inc. - Tx Nextel Communications, Inc.
Multi-Channel Sys Mult
Miscellaneous Exchange Carrier Metrotel
Mci Worldcom Communications, I Mci Metro, Ats, Inc.
Mci Metro Ats, Inc. - Tx Linshaw Communications, Inc. D
Level 3 Communications, Llc - Itc Delta Com - Tx
Integrated Communications Cons Icg Choice Com, L.P. - Tx
Gte-Sw Dba Verizon Sw Inc. - T Grande Communications Networks
Global Crossing Local Services Cellco Partnership Dba Verizon
Cbeyond Communications Of Texa Brooks Fiber Properties Of Tex
Broadwing Communications, Llc At&T - Local - Tx
At&T - Local Arch Wireless Holdings, Inc.
American Messaging (Am), Inc. Allegiance Telecom Of Texas, I
2Nd Century Communications, In

972 Exchanges