ZIP Code 77551

77551 is one of Texas's ZIP codes, delivering to addresses in Galveston, Galveston County.

City: Galveston
County: Galveston County
State: Texas
Prefix: 775xx

Where this code sits

77551 is part of the 775xx range, the group of codes handled by one mail processing centre. Galveston is served by 6 ZIP codes in total; the full list, with the county each falls in, is on the Galveston page.

Galveston Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 77551 delivers to without sharing its boundary.

409 Area code 409

ZIP codes nearest 77551

The ZIP codes whose reference points sit closest to 77551.
ZIP code	Distance	Delivers to
ZIP code 77550	2.7 mi	Galveston, TX
ZIP code 77555	4.1 mi	Galveston, TX
ZIP code 77592	4.1 mi	Texas City, TX
ZIP code 77553	4.2 mi	Galveston, TX
ZIP code 77552	7.9 mi	Galveston, TX
ZIP code 77554	8.8 mi	Galveston, TX
ZIP code 77590	9.9 mi	Texas City, TX
ZIP code 77568	11 mi	La Marque, 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 77551, plotted from its record coordinates.

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

Scope ZIP code 77551. 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.