ZIP Code 78357

78357 is one of Texas's ZIP codes, delivering to addresses in Freer, Duval County.

City: Freer
County: Duval County
State: Texas
Prefix: 783xx

Where this code sits

78357 is part of the 783xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Freer.

Freer Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78357 delivers to without sharing its boundary.

361 Area code 361

ZIP codes nearest 78357

The ZIP codes whose reference points sit closest to 78357.
ZIP code	Distance	Delivers to
ZIP code 78341	23 mi	Benavides, TX
ZIP code 78384	23 mi	San Diego, TX
ZIP code 78376	32 mi	Realitos, TX
ZIP code 78332	33 mi	Alice, TX
ZIP code 78333	34 mi	Alice, TX
ZIP code 78344	34 mi	Bruni, TX
ZIP code 78371	36 mi	Oilton, TX
ZIP code 78342	36 mi	Ben Bolt, 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 78357, plotted from its record coordinates.

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

Scope ZIP code 78357. 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.