Find telephone numbers in USA

Fixed line operators
AT&T :
o BellSouth
o SBC Communications
Verizon Communications :
o GTE
Qwest Corporation (Qwest) :
o Malheur Bell
Fairpoint Communications
Blue Casa Communications
CenturyTel
Cincinnati Bell
Embarq
Frontier (Citizens Communications)
Telephone and Data Systems
Windstream Communications
ACN Inc.
Integra Telecom

Mobile operators
Main article: List of United States wireless communications service providers

GSM
AT&T Mobility (AT&T) :
o Dobson Cellular
o Edge Wireless
Verizon Wireless :
o Alltel
o Unicel
T-Mobile (Deutsche Telekom) :
o SunCom Wireless
Cincinnati Bell Wireless
Centennial Wireless (Centennial Communications)


CDMA

Sprint Nextel
Verizon Wireless :
o Alltel
o Midwest Wireless
U.S. Cellular (Telephone and Data Systems)
MetroPCS
Cricket Communications (Leap Wireless)
nTelos
Appalachian Wireless
Bluegrass Cellular
Cellular South

iDEN
Sprint Nextel
SouthernLINC Wireless