ZIP Code 78933

78933 is one of Texas's ZIP codes, delivering to addresses in Cat Spring, Austin County.

City: Cat Spring
County: Austin County
State: Texas
Prefix: 789xx

Where this code sits

78933 is part of the 789xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cat Spring.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78933 delivers to without sharing its boundary.

979 Area code 979

ZIP codes nearest 78933

The ZIP codes whose reference points sit closest to 78933.
ZIP code	Distance	Delivers to
ZIP code 78935	6.5 mi	Alleyton, TX
ZIP code 78934	10 mi	Columbus, TX
ZIP code 77434	12 mi	Eagle Lake, TX
ZIP code 78943	13 mi	Glidden, TX
ZIP code 78950	13 mi	New Ulm, TX
ZIP code 77412	13 mi	Altair, TX
ZIP code 77474	14 mi	Sealy, TX
ZIP code 77418	17 mi	Bellville, 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 78933, plotted from its record coordinates.

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

Scope ZIP code 78933. 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.