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.

Published: February 17, 2026Verified against NANPA and FCC records

Overlay Area Code

This area code shares its geographic footprint with an overlay code, so the same cities are served by two area codes. Because overlays leave existing numbers untouched, this region's relief planning favors adding codes over redrawing boundaries.

The codes serving this same region: area code 820 (Oxnard).

With prefix utilization already at 98.3%, numbering resources here are under sustained pressure — context that explains why overlays were introduced.

In service since: 01-Jan-1957

Learn more about overlay and split area codes →

Area Code Splits

One area code has been carved out of this code's original territory through a geographic split. Each split was a relief action: as demand grew, part of the region was reassigned to a new code rather than overlaying the whole territory.

Split into: area code 661 (Bakersfield).

Learn more about overlay and split area codes →

Demographics & Economics

Total Population: 1,758,572
Population Density: 188 people/sq mi
above U.S. average (U.S.: 95 people/sq mi)
Median Household Income: $98,161
above U.S. median (U.S.: $80,734)
Poverty Rate: 11.7%
near U.S. average (U.S.: 12.5%)
Unemployment Rate: 5.9%
above U.S. average (U.S.: 5.2%)
Education Attainment: Bachelor's Degree+
37.0%
near U.S. average (U.S.: 35.7%)
High School or Lower
27.0%

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 income ranking and density ranking.

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

Pacific Time (PT)

Prefix Utilization

Geographic Coverage

State

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

Area Code 805 geographic coverage map (light mode)

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 95. The median household income is $98,161, which is higher than the national median of $80,734. Approximately 37.0% of adults hold a bachelor's degree or higher, compared to the national rate of 35.7%. This rate is near the national average. The poverty rate stands at 11.7%, which is near the national rate of 12.5%.

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

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Total Codes

Splits

Overlays

Max Depth

All Descendants

Code ▲	State	Type	In Service	Parent
661	CA	split	13-Feb-1999	805
820	CA	overlay	30-Jun-2018	805

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.