ZIP Code 78851

78851 is one of Texas's ZIP codes, delivering to addresses in Dryden, Terrell County.

City: Dryden
County: Terrell County
State: Texas
Prefix: 788xx

Where this code sits

78851 is part of the 788xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dryden.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78851 delivers to without sharing its boundary.

432 Area code 432

ZIP codes nearest 78851

The ZIP codes whose reference points sit closest to 78851.
ZIP code	Distance	Delivers to
ZIP code 79848	18 mi	Sanderson, TX
ZIP code 78871	37 mi	Langtry, TX
ZIP code 79781	47 mi	Sheffield, TX
ZIP code 78837	55 mi	Comstock, TX
ZIP code 79744	61 mi	Iraan, TX
ZIP code 79842	67 mi	Marathon, TX
ZIP code 76943	70 mi	Ozona, TX
ZIP code 79740	72 mi	Girvin, 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 78851, plotted from its record coordinates.

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

Scope ZIP code 78851. 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.