ZIP Code 78675

78675 is one of Texas's ZIP codes, delivering to addresses in Willow City, Gillespie County.

City: Willow City
County: Gillespie County
State: Texas
Prefix: 786xx

Where this code sits

78675 is part of the 786xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Willow City.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78675 delivers to without sharing its boundary.

830 Area code 830

ZIP codes nearest 78675

The ZIP codes whose reference points sit closest to 78675.
ZIP code	Distance	Delivers to
ZIP code 78663	14 mi	Round Mountain, TX
ZIP code 78671	17 mi	Stonewall, TX
ZIP code 78635	17 mi	Hye, TX
ZIP code 78624	18 mi	Fredericksburg, TX
ZIP code 78643	18 mi	Llano, TX
ZIP code 78657	18 mi	Horseshoe Bay, TX
ZIP code 78639	20 mi	Kingsland, TX
ZIP code 78636	21 mi	Johnson City, 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 78675, plotted from its record coordinates.

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

Scope ZIP code 78675. 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.