| Business | Phone |
| Verizon Wireless 1245 Huntington Dr, Duarte 91010 | (626) 256-8800 |
| Cingular Wireless 1311 Huntington Dr, Duarte 91010 | (626) 359-3090 |
| Nextel Communications Inc 1400 Buena Vista St, Duarte 91010 | (626) 357-4728 |
| Wireless Plus 946 Hamilton Rd, Duarte 91010 | (626) 471-9099 |