| Business | Phone |
| Cell Gallery 21310 San Ramon Valley Blvd #5, San Ramon 94583 | (510) 796-0147 |
| Cellular Solutions 2830 Crow Canyon Rd, San Ramon 94583 | (925) 264-4999 |
| Cingular Wireless 134 Sunset Dr # C-1a, San Ramon 94583 | (925) 327-7100 |
| Cingular Wireless 3191 Crow Canyon Pl # J, San Ramon 94583 | (925) 790-0130 |
| M D Cellular World 2441 San Ramon Valley Blvd # 3, San Ramon 94583 | (925) 743-9169 |
| Nextel Retail 2475 San Ramon Valley Blvd, San Ramon 94583 | (925) 314-0976 |
| Nsa Wireless Inc 2603 Camino Ramon # 170, San Ramon 94583 | (925) 244-1890 |