| Aliant | Cincinnati Bell Wireless | Rogers Canada | ||
| Alltel | Credo Mobile | Sasktel | ||
| American Messaging | Cricket | Singtel | ||
| Ampd Mobile | Dobson | SkyTel | ||
| Aquis Communications | Edge Wireless | SouthernLINC | ||
| Arch | Five Star Wireless | Sprint PCS | ||
| AT&T (Cingular) | Hargray Wireless | Sprint PCS (Alternate) | ||
| AT&T (Legacy) | iWireless | SunCom / Triton | ||
| ATS BEEP | Lyrix Wireless | T-Mobile | ||
| Bell Canada | Metro PCS | T-Mobile (Pre-Paid) | ||
| Bluegrass Cellular | Metrocall | Telus | ||
| Boost | Net10 | Tracfone | ||
| Boost Mobile | Nextel | U.S Cellular | ||
| Cellcom | nTelos | Unicel | ||
| Cellular 29 Plus | Panhandle Telephone | USA Mobility | ||
| Cellular One | Pioneer Telephone | Verizon (Alternate) | ||
| Cellular South | Qwest | Verizon Wireless | ||
| Centennial Wireless | RCS Wireless | Virgin Mobile |