| Business | Phone |
| Cingular Wireless 5500 Grossmont Center Dr #294a, La Mesa 91942 | (619) 667-5636 |
| Cingular Wireless 8960 Fletcher Pkwy # B, La Mesa 91942 | (619) 667-4701 |
| Mobile Systems 5500 Grossmont Center Dr #Ws-D, La Mesa 91942 | (619) 463-3012 |
| Radio Shack 3729 Avocado Blvd, La Mesa 91941 | (619) 670-6434 |