| Business | Phone |
| Mobile Systems Wireless 2556 Somersville Rd # 7, Antioch 94509 | (925) 522-0771 |
| Rhino Wireless 3373 Deer Valley Rd, Antioch 94531 | (925) 777-2077 |
| Verizon Wireless 2741 Hillcrest Ave, Antioch 94531 | (925) 522-0480 |
| Cell Gallery 2556 Somersville Rd, Antioch 94509 | (925) 755-2883 |
| Cellular Warehouse 4893 Lone Tree Way, Antioch 94531 | (925) 978-5555 |
| Radio Shack 2655 Somersville Rd, Antioch 94509 | (925) 757-1733 |
| Radio Shack 4498 Lone Tree Way, Antioch 94531 | (925) 756-7438 |