| ACS Wireless | Farmers Wireless (text only) | PetroCom LLC |
| Airtel Wireless | Fisher Wireless | Pine Belt Cellular |
| Alaska Digitel | Flat Wireless | Pine Cellular |
| Alltel (text only) | Golden State Cellular | Pinpoint Wireless |
| Amerilink PCS (Choice Wireles LC) | Google Voice | Pioneer Cellular Network Partnership |
| AT&T Blue (text only) | Hawkeye | Plateau Wireless – Texas RSA 3 |
| AT&T Orange (Cingular – text only) | Illinois Valley Cellular | Revol Wireless |
| Bluegrass | Immix (Keystone) | Rural Cellular |
| Boost CDMA (Nextel – text only) | Indigo Wireless (Nebraska) | Sagebrush (Nemont) |
| Boost iDEN (Nextel – text only) | Indigo Wireless (Pennsylvania) | Silverstar |
| Buffalo Lake Erie (B.L.U.E. Wireless) | Iowa Wireless Services LP | Simmetry |
| Bug Tussel Wireless | IVC | SLO Cellular, Inc. (Cellular One of San Luis Obispo) |
| C Spire Wireless (Cellular South) | Laward Cellular | Southern Linc |
| Caprock Cellular Limited Partnership | Leap Wireless/Cricket | Sprint CDMA (text only) |
| Carolina West Wireless | Level 3 communications | Sprocket(Cross Telephone/MBO Wireless) |
| Cellcom (text only) | Long Lines Wireless (formerly Great Lakes of Iowa) | SRT Wireless |
| Cellular One (text only) | Mid Rivers Cellular | Suncom (text only) |
| Centennial (text only) | Mid-Tex Cellular | Surewest Wireless (RCS Wireless) |
| Chariton Valley Communications Corp. | Midwest Wireless | T-Mobile (text only) |
| Chinook Wireless MTPCS (Montana/3Rivers/Blackfoot) | MTPCS | Telepak A.K.A. Cellular South |
| Cincinnati Bell | NEP Wireless | Triton (Suncom) |
| Cleveland Unlimited, Inc | Nex Tech Communications | TX-11 |
| Comscape | Nextel(text only) | Union Telephone (text only) |
| Copper Valley | NPI Wireless | US Cellular (text only) |
| Coral Wireless | NTCH, Inc. (Cleartalk – NTCHWest) | Verizon (text only) |
| Dobson (text only) | NTCH, Inc. (Cleartalk Communications – NTCH CA) | Viaero Wireless |
| Douglas Telecommunications | nTelos (text only) | Virgin Mobile (MVNO:Sprint – text only) |
| East Kentucky | PACE | West Central (text only) |
| ECIT (Cellular One of East Central IL) | Panhandle Telecommunications Systems | Westlink Communications (High Plains Midwest LLC) |
| Edge Wireless | Pario Solutions | Wilkes Cellular |
| Element Mobile | Pario/Sotto | XIT Wireless – Texas RSA 1 |
| Elkhart Telephone Co. (Epic Touch Co) | Peoples Cellular | Youghiogheny Comm. – Texas LLC / Pocket Comm. |