Postal reference / United States

90740Seal Beach, California

ZIP code 90740 is a United States postal code for Seal Beach, California. Its county association is Orange County. The map reference point is at 33.7602, -118.0808.

State / territory
California
Recorded place name
Seal Beach
County association
Orange
Estimated coordinate
33.7602, -118.0808
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ZIP prefix
907 · 31 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
11.11 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
90743SurfsideCAOrange2.3
90840Long BeachCALos Angeles2.6
90720Los AlamitosCAOrange2.6
90721Los AlamitosCAOrange3.0
90803Long BeachCALos Angeles3.1
90742Sunset BeachCAOrange3.1
90815Long BeachCALos Angeles3.2
92845Garden GroveCAOrange3.4

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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