CALIFORNIA · AREA CODE GUIDE
805 and 820 area codes location: Oxnard, California
- Local date and time
- Pacific Time
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805 and 820 area codes at a glance
- Country and calling code
- United States (+1)
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Sources: NANPA area code listing, NANPA places by area code. Checked .
| Area code | Started service | Parent code | New code planned |
|---|---|---|---|
| 805 | 213 | No, as of 22 September 2026 | |
| 820 | 805 | No, as of 22 September 2026 |
History
Time zone
- Pacific Time
- Standard time UTC−08:00
- Daylight saving time UTC−07:00
Where 805 and 820 reach
805 and 820 numbers are issued across 40 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.
- Oxnard
- Simi Valley
- Thousand Oaks
- Santa Maria
- Santa Barbara
- Camarillo
- San Luis Obispo
- Lompoc
- Moorpark
- Santa Paula
- Atascadero
- Arroyo Grande
- Fillmore
- Carpinteria
- Morro Bay
- Guadalupe
- Pismo Beach
- Ojai
- Bradley
- Cambria
- Carrisa Plains
- Cayucos
- Conejo
- El Rio
- Gaviota
15 more communities
- Los Alamos
- Newbury Park
- Nipomo
- Oak View
- Parkfield
- Paso Robles
- Piru
- Point Mugu
- San Miguel
- Santa Margarita
- Santa Ynez
- Saticoy
- Somis
- Ventura Central
- Ventura East
Notable places in 805 and 820
| Place | Where | What it is |
|---|---|---|
| University of California, Santa Barbara | 12.3 km from Santa Barbara | University, 27,662 12-month enrollment (2023–24) |
| Vandenberg Space Force Base | 10.3 km from Lompoc | US Air Force installation |
| California Polytechnic State University | 4.0 km from San Luis Obispo | University, 23,829 12-month enrollment (2023–24) |
| Ronald Reagan Presidential Library | 6.0 km from Moorpark | Museum |
| Santa Barbara Municipal Airport | 11.9 km from Santa Barbara | Commercial airport, 696,396 enplanements (2024) |
| California State University, Channel Islands | 6.7 km from Camarillo | University, 6,662 12-month enrollment (2023–24) |
| Santa Maria Public Airport | 4.0 km from Santa Maria | Commercial airport, 13,525 enplanements (2024) |
| Oxnard Airport | 0.2 km from Oxnard | Airport |
| Naval Air Station Point Mugu | 11.9 km from Oxnard | Military base |
| Mullin Automotive Museum | 4.4 km from Oxnard | Museum |
Area code 805
805 started service on .It came from 213.
No new code is planned for the region as of .
Area code 820
820 started service on .It came from 805.
Its numbers are issued in the same communities as 805.
No new code is planned for the region as of .
Questions about 805 and 820
Where are the 805 and 820 area codes?
805 and 820 are in California. Their numbers are issued in Oxnard, Simi Valley, Thousand Oaks, and 37 other communities.
What time zone are area codes 805 and 820 in?
805 and 820 are in Pacific Time. Daylight saving time is observed.
Is 820 an overlay?
Yes. 820 was added as an overlay on 805 on 30 June 2018.
Business phone numbers in area codes 805 and 820, answered by an AI agent
A local number for Oxnard, Simi Valley, and Thousand Oaks, California, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.