ZIP Code 78330

78330 is one of Texas's ZIP codes, delivering to addresses in Agua Dulce, Nueces County.

City: Agua Dulce
County: Nueces County
State: Texas
Prefix: 783xx

Where this code sits

78330 is part of the 783xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Agua Dulce.

Agua Dulce Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78330 delivers to without sharing its boundary.

361 Area code 361

ZIP codes nearest 78330

The ZIP codes whose reference points sit closest to 78330.
ZIP code	Distance	Delivers to
ZIP code 78339	7.3 mi	Banquete, TX
ZIP code 78333	10 mi	Alice, TX
ZIP code 78332	11 mi	Alice, TX
ZIP code 78351	12 mi	Driscoll, TX
ZIP code 78372	12 mi	Orange Grove, TX
ZIP code 78380	13 mi	Robstown, TX
ZIP code 78342	14 mi	Ben Bolt, TX
ZIP code 78343	15 mi	Bishop, 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 78330, plotted from its record coordinates.

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

Scope ZIP code 78330. 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.