ZIP Code 90740

90740 is one of California's ZIP codes, delivering to addresses in Seal Beach, Orange County.

City: Seal Beach
County: Orange County
State: California
Prefix: 907xx

Where this code sits

90740 is part of the 907xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Seal Beach.

Seal Beach California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 90740 delivers to without sharing its boundary.

562 Area code 562

ZIP codes nearest 90740

The ZIP codes whose reference points sit closest to 90740.
ZIP code	Distance	Delivers to
ZIP code 90743	2.3 mi	Surfside, CA
ZIP code 90840	2.6 mi	Long Beach, CA
ZIP code 90720	2.6 mi	Los Alamitos, CA
ZIP code 90721	3.0 mi	Los Alamitos, CA
ZIP code 90803	3.1 mi	Long Beach, CA
ZIP code 90742	3.1 mi	Sunset Beach, CA
ZIP code 90815	3.2 mi	Long Beach, CA
ZIP code 92845	3.4 mi	Garden Grove, CA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 90740, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 90740. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.