Alltel*
Boost*
AT&T*
MetroPCS*
Nextel*
Sprint*
T-Mobile*
US Cellular*
Verizon Wireless*
Virgin Mobile US*

ACS Wireless*
Allied Wireless*
All West Wireless
Amerilink Wireless
Appalachian Wireless*
Arch Wireless
Bluegrass*
Cambridge*
Cellcom
Cellular One*
Cellular One of Montana*
Cellular One of NE PA*
C-Spire Wireless*
Centennial*
Central Wireless
Chat Mobility*
Cincinnati Bell*
Cox Communications
Cricket*
Dobson Cellular*
ECIT*
East Kentucky Network*
Edge Wireless
Element Mobile*
FMTC
GCI Communications*
Illinois Valley Cellular*
Immix*
Inland Cellular*
Iowa Wireless
iWireless*
Metrocall US
Mid-Tex Cellular
Midwest Wireless*
Next-Tech Wireless*
NNTC Wireless
North Coast PCS
Northwest Missouri Cellular* Ntelos*
Pacific Bell
Panhandle Wireless*
Pioneer Cellular*
Plateau Wireless*
Pocket Wireless*
Qwest Wireless
Revol
Rural Cell
Silver Star PCS
Simmetry*
Snake River PCS
South Central
Southwestern Bell
Suncom*
Syringa Wireless
Triton PCS
UBET Wireless
Unicel*
United*
Viaero Wireless*
West Central Wireless*
Western Wireless

Aliant Mobility*
Bell Mobility*
Fido*
MTS Mobility*
NorthernTel Mobility*
Rogers*
SaskTel Canada*
Telebec Mobilite*
Telus*
Videotron*
Virgin Mobile Canada*