| Business | Phone |
| Cingular Wireless 18100 Chatsworth St # D, Granada Hills 91344 | (818) 832-8800 |
| Verizon Wireless 16970 San Fernando Mission #2c, Granada Hills 91344 | (818) 341-2000 |
| Executive Wireless 10632 Zelzah Ave, Granada Hills 91344 | (818) 368-3969 |
| Hypnotiq Wireless 16156 San Fernando Msn Blvd#6, Granada Hills 91344 | (818) 832-3993 |
| Ltd Wireless Inc 12713 Jimeno Ave, Granada Hills 91344 | (818) 831-0170 |
| Power Communication 17023 Chatsworth St, Granada Hills 91344 | (818) 831-6055 |
| Simple Touch 10642 Balboa Blvd, Granada Hills 91344 | (818) 363-0015 |