| Business | Phone |
| Delta Cellular & Paging Antioch 94509 | (925) 778-2337 |
| Extreme Cellular 2924 Delta Fair Blvd, Antioch 94509 | (925) 755-0881 |
| Nextel Communications 2550 Somersville Rd # K6, Antioch 94509 | (925) 757-5444 |
| Nextel Retail 5819 Lone Tree Way, Antioch 94531 | (925) 778-7439 |
| T Mobile Slatten Ranch 5779 Lone Tree Way, Antioch 94531 | (925) 754-8348 |
| Touchdown Wireless 1852 A St, Antioch 94509 | (925) 777-9887 |
| Viva Wireless Inc 2556 Somersville Rd, Antioch 94509 | (925) 706-1563 |