ZIP Code 77566

77566 is one of Texas's ZIP codes, delivering to addresses in Lake Jackson, Brazoria County.

City: Lake Jackson
County: Brazoria County
State: Texas
Prefix: 775xx

Where this code sits

77566 is part of the 775xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lake Jackson.

Lake Jackson Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 77566 delivers to without sharing its boundary.

979 Area code 979

ZIP codes nearest 77566

The ZIP codes whose reference points sit closest to 77566.
ZIP code	Distance	Delivers to
ZIP code 77531	2.3 mi	Clute, TX
ZIP code 77541	6.2 mi	Freeport, TX
ZIP code 77542	7.6 mi	Freeport, TX
ZIP code 77422	8.9 mi	Brazoria, TX
ZIP code 77516	9.0 mi	Angleton, TX
ZIP code 77515	9.8 mi	Angleton, TX
ZIP code 77534	14 mi	Danbury, TX
ZIP code 77486	16 mi	West Columbia, 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 77566, plotted from its record coordinates.

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

Scope ZIP code 77566. 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.