| Business | Phone |
| Cellular Warehouse 13487 Camino Canada, El Cajon 92021 | (619) 390-5293 |
| Cingular Wireless 131 Broadway, El Cajon 92021 | (619) 440-8934 |
| Cingular Wireless 1558 N Magnolia Ave, El Cajon 92020 | (619) 596-6122 |
| E T Wireless 1435 E Main St, El Cajon 92021 | (619) 593-1315 |
| Aadvanced Wireless Inc 425 N Marshall Ave, El Cajon 92020 | (619) 588-2810 |
| Source Wireless 623 Parkway Plz, El Cajon 92020 | (619) 590-0558 |
| Communications Plus Wholesale 1225 N 2nd St # C, El Cajon 92021 | (619) 441-7445 |
| Pcs Contracting 461 Vernon Way, El Cajon 92020 | (619) 447-4003 |
| One Touch Cellular 941 Broadway, El Cajon 92021 | (619) 579-8100 |
| Nextel Activations El Cajon 92020 | (619) 401-0650 |
| Nextel Retail 2518 Jamacha Rd, El Cajon 92019 | (619) 660-1539 |
| Fisher Wireless 1435 N Cuyamaca St, El Cajon 92020 | (619) 448-8084 |
| Mobile Systems Wireless 367 Parkway Plz, El Cajon 92020 | (619) 579-0745 |
| Lorimar Group Inc 2037 Capri Ct, El Cajon 92019 | (619) 749-9399 |