| Business | Phone |
| Automated Telecom 941 Broadway, El Cajon 92021 | (619) 631-6333 |
| Cell Phone Accessories & More 415 Parkway Plz, El Cajon 92020 | (619) 401-7400 |
| Cingular Wireless 163 Fletcher Pkwy # F1, El Cajon 92020 | (619) 579-1471 |
| Cingular Wireless 415 Parkway Plz, El Cajon 92020 | (619) 441-1425 |
| Connect Direct Inc 2654 Jamacha Rd # 113, El Cajon 92019 | (619) 660-3210 |
| Ez Wireless Center 536 N 2nd St, El Cajon 92021 | (619) 590-1887 |
| All Wireless-Cellphone 415 Parkway Plz, El Cajon 92020 | (619) 401-0905 |
| Snap Wireless 415 Parkway Plz, El Cajon 92020 | (619) 444-8121 |
| Simplicity Wireless 2920 Jamacha Rd, El Cajon 92019 | (619) 660-2800 |
| Convergence Communications 415 Parkway Plz, El Cajon 92020 | (619) 441-0760 |
| Mobile Solution Corp 415 Parkway Plz, El Cajon 92020 | (619) 588-6114 |
| Go Wireless 111 Jamacha Rd, El Cajon 92019 | (619) 441-8060 |
| Go Wireless 2883 Jamacha Rd, El Cajon 92019 | (619) 660-1150 |