| Business | Phone |
| Cingular Wireless 1197 E Los Angeles Ave # B, Simi Valley 93065 | (805) 520-2255 |
| Cingular Wireless 131 Cochran St # D, Simi Valley 93065 | (805) 582-6464 |
| Cingular Wireless 2691 Tapo Canyon Rd, Simi Valley 93063 | (805) 582-4320 |
| Mobile Magic 255 Cochran St, Simi Valley 93065 | (805) 522-5943 |
| Nextel 1109 E Los Angeles Ave, Simi Valley 93065 | (805) 915-0500 |
| Nextel Retail 1230 Madera Rd, Simi Valley 93065 | (805) 577-6204 |
| Nextel Sales & Svc Simi Valley 93065 | (805) 520-0099 |
| Sprint Pcs 2050 1st St, Simi Valley 93065 | (805) 579-7300 |
| T Mobile 2906 Tapo Canyon Rd, Simi Valley 93063 | (805) 526-2001 |
| Verizon Wireless 2950 Cochran St, Simi Valley 93065 | (805) 582-6633 |