ZIP Code 78123

78123 is one of Texas's ZIP codes, delivering to addresses in Mc Queeney, Guadalupe County.

City: Mc Queeney
County: Guadalupe County
State: Texas
Prefix: 781xx

Where this code sits

78123 is part of the 781xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mc Queeney.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78123 delivers to without sharing its boundary.

830 Area code 830

ZIP codes nearest 78123

The ZIP codes whose reference points sit closest to 78123.
ZIP code	Distance	Delivers to
ZIP code 78115	4.0 mi	Geronimo, TX
ZIP code 78156	4.7 mi	Seguin, TX
ZIP code 78155	5.9 mi	Seguin, TX
ZIP code 78124	6.6 mi	Marion, TX
ZIP code 78131	8.3 mi	New Braunfels, TX
ZIP code 78135	8.3 mi	New Braunfels, TX
ZIP code 78130	8.5 mi	New Braunfels, TX
ZIP code 78108	11 mi	Cibolo, 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 78123, plotted from its record coordinates.

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

Scope ZIP code 78123. 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.