ZIP Code 78023

78023 is one of Texas's ZIP codes, delivering to addresses in Helotes, Bexar County.

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

Where this code sits

78023 is part of the 780xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Helotes.

Helotes Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78023 delivers to without sharing its boundary.

ZIP codes nearest 78023

The ZIP codes whose reference points sit closest to 78023.
ZIP code	Distance	Delivers to
ZIP code 78255	4.8 mi	San Antonio, TX
ZIP code 78254	5.4 mi	San Antonio, TX
ZIP code 78256	7.8 mi	San Antonio, TX
ZIP code 78257	8.5 mi	San Antonio, TX
ZIP code 78015	8.8 mi	Boerne, TX
ZIP code 78249	9.9 mi	San Antonio, TX
ZIP code 78250	10 mi	San Antonio, TX
ZIP code 78056	12 mi	Mico, 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 78023, plotted from its record coordinates.

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

Scope ZIP code 78023. 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.