Area Code 805
California
Area code 805 serves California, primarily Oxnard, in the Pacific Time (PT) time zone. It has served the region since 01-Jan-1957.
Overlay Area Code
This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.
This area code shares its geographic region with: area code 820 (Oxnard).
In service since: 01-Jan-1957
Area Code Splits
Parts of this area code’s original geographic region were later assigned new area codes through splits. When a split occurs, some customers in the original area code region are assigned the new area code.
Split into: area code 661 (Bakersfield).
Demographics & Economics
- Total Population
- 1,758,572
- Population Density
- 188 people/sq miabove U.S. average (U.S.: 93 people/sq mi)
- Median Household Income
- $95,977above U.S. median (U.S.: $75,144)
- Poverty Rate
- 11.3%near U.S. average (U.S.: 11.5%)
- Unemployment Rate
- 5.6%above U.S. average (U.S.: 3.6%)
- Education Attainment
- Bachelor's Degree+36.4%near U.S. average (U.S.: 33.7%)High School or Lower27.0%
Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.
See how this area code compares to all US area codes in the Statistics dashboard.
Time Zone
- Pacific Time (PT)
NANPA Relief Status
According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.
Source: NANPA NPA Relief Planning Reports · See all relief planning statuses
Current Time
Prefix Utilization
Geographic Coverage
State
CA
Major Cities
- Oxnard
- Simi Valley
- Thousand Oaks
- San Buenaventura (Ventura)
- Santa Maria
- Santa Barbara
- Camarillo
- San Luis Obispo
- Lompoc
- Moorpark
- Goleta
- El Paso de Robles (Paso Robles)
- Orcutt
- Santa Paula
- Atascadero
- Eastern Goleta Valley
- Port Hueneme
- Arroyo Grande
- Nipomo
- Fillmore
- Los Osos
- Isla Vista
- Carpinteria
- Grover Beach
and 58 more cities


Demographics
The estimated population served by area code 805 is approximately 1,758,572. The population density is 188 people per square mile, which is higher than the national average of 93. The median household income is $95,977, which is higher than the national median of $75,144. Approximately 36.4% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is near the national average. The poverty rate stands at 11.3%, which is near the national rate of 11.5%.
History
Area code 805 was established in 1957 as a geographic area code. Over time, area code area code 661 was split from 805. It shares its territory with area code area code 820.
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 805).
| County | Population | Share |
|---|---|---|
| Ventura, CA | 851,258 | 48.4% |
| Santa Barbara, CA | 444,878 | 25.3% |
| San Luis Obispo, CA | 393,673 | 22.4% |
| Los Angeles, CA | 54,933 | 3.1% |
| Kern, CA | 7,314 | 0.4% |
| Monterey, CA | 6,516 | 0.4% |
Area Code 805 Family Tree
Hover over nodes to see details. Click to navigate to individual area code pages. Use scroll to zoom, drag to pan.
Area code 805 was originally assigned in 01-Jan-1957 to serve CA. Over the years, it has generated 2 descendant area codes through a combination of geographic splits and overlays as demand for telephone numbers grew.
Call Context
This area code covers a metropolitan region in CA with moderate to high population density, centered on Oxnard and surrounding communities.
Nearby Area Codes
Area codes geographically closest to 805.










Other Area Codes in California
Area codes that also serve California, linked for easy comparison.









