ZIP Code 78597

78597 is one of Texas's ZIP codes, delivering to addresses in South Padre Island, Cameron County.

City: South Padre Island
County: Cameron County
State: Texas
Prefix: 785xx

Where this code sits

78597 is part of the 785xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to South Padre Island.

South Padre Island Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78597 delivers to without sharing its boundary.

956 Area code 956

ZIP codes nearest 78597

The ZIP codes whose reference points sit closest to 78597.
ZIP code	Distance	Delivers to
ZIP code 78578	15 mi	Port Isabel, TX
ZIP code 78566	16 mi	Los Fresnos, TX
ZIP code 78568	22 mi	Lozano, TX
ZIP code 78583	22 mi	Rio Hondo, TX
ZIP code 78526	25 mi	Brownsville, TX
ZIP code 78598	26 mi	Port Mansfield, TX
ZIP code 78575	26 mi	Olmito, TX
ZIP code 78523	27 mi	Brownsville, 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 78597, plotted from its record coordinates.

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

Scope ZIP code 78597. 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.