| Business | Phone |
| Max Comm Inc 457 W Allen Ave, San Dimas 91773 | (909) 592-5008 |
| B2k Wireless 1034 W Arrow Hwy, San Dimas 91773 | (909) 305-0225 |
| Cingular Wireless 830 W Arrow Hwy, San Dimas 91773 | (909) 592-3232 |
| Cordova Usa Inc 633 W Arrow Hwy, San Dimas 91773 | (909) 592-4858 |
| Direct Cellular & Paging 647 E Bonita Ave, San Dimas 91773 | (909) 305-0262 |
| Pcs Station 1053 W Arrow Hwy, San Dimas 91773 | (909) 592-5092 |