ZIP Code 77331

77331 is one of Texas's ZIP codes, delivering to addresses in Coldspring, San Jacinto County.

City: Coldspring
County: San Jacinto County
State: Texas
Prefix: 773xx

Where this code sits

77331 is part of the 773xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Coldspring.

Coldspring Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 77331 delivers to without sharing its boundary.

936 Area code 936

ZIP codes nearest 77331

The ZIP codes whose reference points sit closest to 77331.
ZIP code	Distance	Delivers to
ZIP code 77335	8.9 mi	Goodrich, TX
ZIP code 77371	9.8 mi	Shepherd, TX
ZIP code 77364	13 mi	Pointblank, TX
ZIP code 77351	14 mi	Livingston, TX
ZIP code 77359	14 mi	Oakhurst, TX
ZIP code 77328	15 mi	Cleveland, TX
ZIP code 77360	15 mi	Onalaska, TX
ZIP code 77326	18 mi	Ace, 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 77331, plotted from its record coordinates.

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

Scope ZIP code 77331. 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.