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Atascadero, CA Area Codes
Atascadero, California (population 29,464) uses area codes 805 and 820.
Carriers with Atascadero numbers
22 prefixes are assigned to the Atascadero exchange: 41% mobile, 9% VoIP and cable, 50% landline.
| Carrier | Prefixes |
|---|---|
| T-Mobile | 9 |
| AT&T (Pacific Bell) | 6 |
| Tpx Communications | 3 |
| Lumen (Level 3) | 1 |
| Boost Subscriberco L.L.C. | 1 |
| Fractel | 1 |
| Onvoy (Sinch) | 1 |
Area codes used in Atascadero
| Area code | Prefixes serving Atascadero | Main carriers in this code |
|---|---|---|
| 805 | 14 | Frontier, AT&T (Pacific Bell), Verizon Wireless |
| 820 | 8 | Fractel, AT&T Mobility, Onvoy (Sinch) |
Atascadero phone number prefixes
Numbers starting with these first six digits were originally assigned to the Atascadero exchange.
805-391T-Mobile805-460AT&T (Pacific Bell)805-461AT&T (Pacific Bell)805-462AT&T (Pacific Bell)805-464AT&T (Pacific Bell)805-466AT&T (Pacific Bell)805-468AT&T (Pacific Bell)805-470Lumen (Level 3)805-538Tpx Communications805-539T-Mobile805-703T-Mobile805-792Tpx Communications805-859T-Mobile805-952T-Mobile820-203T-Mobile820-208Tpx Communications820-217Boost Subscriberco L.L.C.820-237T-Mobile820-241T-Mobile820-246T-Mobile820-786Fractel820-998Onvoy (Sinch)
Nearby cities in area code 805
- Oxnard
- Simi Valley
- Thousand Oaks
- Santa Maria
- San Buenaventura
- Santa Barbara
- Camarillo
- San Luis Obispo
- Lompoc
- Moorpark
- Goleta
- Santa Paula
Questions
- What is the area code for Atascadero, CA?
- Atascadero uses 2 area codes: 805 and 820. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Atascadero in?
- Atascadero is in the Pacific time zone.