ZIP Code 78070

78070 is one of Texas's ZIP codes, delivering to addresses in Spring Branch, Comal County.

City: Spring Branch
County: Comal County
State: Texas
Prefix: 780xx

Where this code sits

78070 is part of the 780xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Spring Branch.

Spring Branch Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78070 delivers to without sharing its boundary.

ZIP codes nearest 78070

The ZIP codes whose reference points sit closest to 78070.
ZIP code	Distance	Delivers to
ZIP code 78027	8.3 mi	Kendalia, TX
ZIP code 78133	8.5 mi	Canyon Lake, TX
ZIP code 78623	11 mi	Fischer, TX
ZIP code 78163	11 mi	Bulverde, TX
ZIP code 78606	12 mi	Blanco, TX
ZIP code 78004	14 mi	Bergheim, TX
ZIP code 78261	15 mi	San Antonio, TX
ZIP code 78132	16 mi	New Braunfels, 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 78070, plotted from its record coordinates.

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

Scope ZIP code 78070. 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.