ZIP Code 78391

78391 is one of Texas's ZIP codes, delivering to addresses in Tynan, Bee County.

City: Tynan
County: Bee County
State: Texas
Prefix: 783xx

Where this code sits

78391 is part of the 783xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Tynan.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78391 delivers to without sharing its boundary.

361 Area code 361

ZIP codes nearest 78391

The ZIP codes whose reference points sit closest to 78391.
ZIP code	Distance	Delivers to
ZIP code 78389	3.9 mi	Skidmore, TX
ZIP code 78368	7.0 mi	Mathis, TX
ZIP code 78383	12 mi	Sandia, TX
ZIP code 78350	13 mi	Dinero, TX
ZIP code 78352	14 mi	Edroy, TX
ZIP code 78104	16 mi	Beeville, TX
ZIP code 78387	17 mi	Sinton, TX
ZIP code 78102	18 mi	Beeville, 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 78391, plotted from its record coordinates.

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

Scope ZIP code 78391. 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.