ZIP Code 78381

78381 is one of Texas's ZIP codes, delivering to addresses in Rockport, Aransas County.

City: Rockport
County: Aransas County
State: Texas
Prefix: 783xx

Where this code sits

78381 is part of the 783xx range, the group of codes handled by one mail processing centre. Rockport is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Rockport page.

Rockport Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78381 delivers to without sharing its boundary.

361 Area code 361

ZIP codes nearest 78381

The ZIP codes whose reference points sit closest to 78381.
ZIP code	Distance	Delivers to
ZIP code 78382	1.9 mi	Rockport, TX
ZIP code 78358	4.6 mi	Fulton, TX
ZIP code 78336	8.2 mi	Aransas Pass, TX
ZIP code 78335	9.0 mi	Aransas Pass, TX
ZIP code 78340	9.2 mi	Bayside, TX
ZIP code 78362	12 mi	Ingleside, TX
ZIP code 78359	14 mi	Gregory, TX
ZIP code 78374	16 mi	Portland, 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 78381, plotted from its record coordinates.

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

Scope ZIP code 78381. 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.