ZIP Code 78002

78002 is one of Texas's ZIP codes, delivering to addresses in Atascosa, Bexar County.

City: Atascosa
County: Bexar County
State: Texas
Prefix: 780xx

Where this code sits

78002 is part of the 780xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Atascosa.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78002 delivers to without sharing its boundary.

ZIP codes nearest 78002

The ZIP codes whose reference points sit closest to 78002.
ZIP code	Distance	Delivers to
ZIP code 78052	3.9 mi	Lytle, TX
ZIP code 78073	4.5 mi	Von Ormy, TX
ZIP code 78054	4.9 mi	Macdona, TX
ZIP code 78039	5.0 mi	La Coste, TX
ZIP code 78069	5.7 mi	Somerset, TX
ZIP code 78252	7.8 mi	San Antonio, TX
ZIP code 78059	7.9 mi	Natalia, TX
ZIP code 78242	9.7 mi	San Antonio, 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 78002, plotted from its record coordinates.

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

Scope ZIP code 78002. 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.