| Business | Phone |
| Marconi 1755 N Collins Blvd 400, Richardson 75080 | (972) 669-6300 |
| My Cellular 2185 Buckingham Rd, Richardson 75081 | (972) 234-5677 |
| Spectra Point Wireless 1125 E Collins Blvd, Richardson 75081 | (972) 852-6700 |
| Nextel 275 W Campbell Rd, Richardson 75080 | (972) 705-8300 |
| Sirific Wireless Us Inc 275 W Campbell Rd, Richardson 75080 | (972) 235-9403 |
| Cingular Wireless 1125 E Campbell Rd, Richardson 75081 | (972) 231-2739 |
| My Town Wireless 110 E Main St, Richardson 75081 | (972) 644-5555 |
| Sprint 17451 Dallas Pkwy, Richardson 75081 | (972) 732-6255 |