| Business | Phone |
| Atascadero Phone & Wireless 8025 El Camino Real # A, Atascadero 93422 | (805) 466-8200 |
| Cingular Wireless 8280 El Camino Real, Atascadero 93422 | (805) 462-2800 |
| Hot Wireless 5735 El Camino Real # I, Atascadero 93422 | (805) 461-0529 |
| Jmc Telecomm Phone Center 8390 El Camino Real, Atascadero 93422 | (805) 466-9999 |