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California ZIP codes

California has 2,593 ZIP codes (90001–96162) across 1,239 cities and towns and 58 counties.

ZIP codes
2,593
With delivery area
1,802
Population in ZIPs
39,286,245
Cities & towns
1,239
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Richest ZIP codes in California Most expensive ZIP codes

Zoom in to see ZIP code boundaries. Click a dot to open a ZIP code, or anywhere else to see which ZIP it's in.

Largest cities in California

California ZIP codes by county

Most populated California ZIP codes

  1. 92336 Fontana – 105,517
  2. 94565 Pittsburg – 100,488
  3. 90011 Los Angeles – 100,113
  4. 90650 Norwalk – 99,900
  5. 91331 Pacoima – 97,608
  6. 92335 Fontana – 97,511
  7. 90044 Los Angeles – 94,830
  8. 90250 Hawthorne – 93,826
  9. 91342 Sylmar – 93,301
  10. 90201 Bell Gardens – 92,763

All California cities and towns

Frequently asked questions

How many ZIP codes are in California?

California has 2,593 ZIP codes: 1,802 with a delivery area and 791 PO Box or single-organization ZIP codes.

What ZIP codes does California use?

California ZIP codes run from 90001 to 96162.

Which California ZIP code has the most people?

ZIP code 92336 in Fontana has the largest population, about 105,517 residents (ACS 2020–2024).