Area Code 738

California

Area code 738 serves California, primarily Los Angeles, in the Pacific Time (PT) time zone. It is an overlay area code sharing territory with area code 213.

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 213 (Los Angeles).

In service since: 01-Nov-2024

Learn more about overlay and split area codes →

Demographics & Economics

Total Population: 2,400,544
Population Density: 2,426 people/sq mi
above U.S. average (U.S.: 93 people/sq mi)
Median Household Income: $87,760
above U.S. median (U.S.: $75,144)
Poverty Rate: 13.6%
above U.S. average (U.S.: 11.5%)
Unemployment Rate: 7.0%
above U.S. average (U.S.: 3.6%)
Education Attainment: Bachelor's Degree+
35.5%
near U.S. average (U.S.: 33.7%)
High School or Lower
31.9%

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

Pacific Time (PT)

Prefix Utilization

Geographic Coverage

State

Major Cities

Los Angeles
East Los Angeles
Inglewood
South Gate
Hawthorne
Lynwood
Florence-Graham
Montebello
Monterey Park
Huntington Park
Bell Gardens
West Hollywood
Westmont
Bell
South Pasadena
Maywood
West Rancho Dominguez
Cudahy
Willowbrook
Walnut Park
Commerce
View Park-Windsor Hills
West Athens
Ladera Heights

and 1 more city

Area Code 738 geographic coverage map (light mode)

Demographics

The estimated population served by area code 738 is approximately 2,400,544. The population density is 2,426 people per square mile, which is higher than the national average of 93. The median household income is $87,760, which is higher than the national median of $75,144. Approximately 35.5% 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 13.6%, which is higher than the national rate of 11.5%.

History

Area code 738 serves as an overlay for the same territory as area code 213. It was introduced in 2024 to provide additional phone number capacity for the region. It shares its territory with area codes area code 213 and area code 323.