ZIP Code 77623

77623 is one of Texas's ZIP codes, delivering to addresses in High Island, Galveston County.

City: High Island
County: Galveston County
State: Texas
Prefix: 776xx

Where this code sits

77623 is part of the 776xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to High Island.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 77623 delivers to without sharing its boundary.

409 Area code 409

ZIP codes nearest 77623

The ZIP codes whose reference points sit closest to 77623.
ZIP code	Distance	Delivers to
ZIP code 77617	3.4 mi	Gilchrist, TX
ZIP code 77514	13 mi	Anahuac, TX
ZIP code 77661	16 mi	Stowell, TX
ZIP code 77650	18 mi	Port Bolivar, TX
ZIP code 77665	19 mi	Winnie, TX
ZIP code 77622	23 mi	Hamshire, TX
ZIP code 77560	25 mi	Hankamer, TX
ZIP code 77597	26 mi	Wallisville, TX

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 77623, plotted from its record coordinates.

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

Scope ZIP code 77623. 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.