ZIP Code 77340

77340 is one of Texas's ZIP codes, delivering to addresses in Huntsville, Walker County.

City: Huntsville
County: Walker County
State: Texas
Prefix: 773xx

Where this code sits

77340 is part of the 773xx range, the group of codes handled by one mail processing centre. Huntsville is served by 8 ZIP codes in total; the full list, with the county each falls in, is on the Huntsville page.

Huntsville Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 77340 delivers to without sharing its boundary.

936 Area code 936

ZIP codes nearest 77340

The ZIP codes whose reference points sit closest to 77340.
ZIP code	Distance	Delivers to
ZIP code 77341	5.1 mi	Huntsville, TX
ZIP code 77343	5.7 mi	Huntsville, TX
ZIP code 77344	5.7 mi	Huntsville, TX
ZIP code 77348	5.7 mi	Huntsville, TX
ZIP code 77349	5.7 mi	Huntsville, TX
ZIP code 77342	9.5 mi	Huntsville, TX
ZIP code 77358	11 mi	New Waverly, TX
ZIP code 77320	14 mi	Huntsville, 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 77340, plotted from its record coordinates.

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

Scope ZIP code 77340. 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.