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City ZIP codes · California

Northridge, CA ZIP Codes

6 ZIP codes use the postal name Northridge, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 3 for PO boxes or a single organization. Median household income runs from $87,168 in 91325 to $99,610 in 91324 (Census Bureau, ACS 2020-2024). Northridge's most populous ZIP code is 91325, with 35,062 people (ACS 2020-2024); 0% of its land is in the city of Northridge.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Northridge's ZIP codes?

91324: $100k median household income91325: $87k median household income91330: – median household income91325913249133091324: $100k median household income91325: $87k median household income91330: – median household income91325913249133091324: $100k median household income91325: $87k median household income91330: – median household income9132591324
The 3 residential ZIP codes named Northridge, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Northridge's ZIP codes?

The highest median household income is in 91324 ($99,610), the lowest in 91325 ($87,168). Home values run from $906,300 in 91324 to $944,500 in 91325.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 3 residential ZIP codes of Northridge

Residential ZIP codes with the postal name Northridge, CA, largest first (ACS 2020-2024); sort by any column
County
91325 Los Angeles County 35,062 7,280 $87k $945k
91324 Los Angeles County 30,699 7,210 $100k $906k
91330 Los Angeles County 2,512 5,034 – –

Download the 6 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Northridge

3 ZIP codes named Northridge have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Northridge, CA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
91327Los Angeles County
91328Los Angeles County
91329Los Angeles County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Northridge's ZIP codes reach?

Northridge's residential ZIP codes lie in Los Angeles County.

Which places do Northridge's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Northridge's residential ZIP codes cover 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Northridge's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Northridge starts with 913.

Three-digit prefixes of Northridge's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Northridge's
PrefixSectional centerHereAll codes
913 Santa Clarita, CA (SCF 913) 6 70

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.