ZIP Code 78575

78575 is one of Texas's ZIP codes, delivering to addresses in Olmito, Cameron County.

City: Olmito
County: Cameron County
State: Texas
Prefix: 785xx

Where this code sits

78575 is part of the 785xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Olmito.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78575 delivers to without sharing its boundary.

956 Area code 956

ZIP codes nearest 78575

The ZIP codes whose reference points sit closest to 78575.
ZIP code	Distance	Delivers to
ZIP code 78523	4.2 mi	Brownsville, TX
ZIP code 78526	6.6 mi	Brownsville, TX
ZIP code 78520	7.3 mi	Brownsville, TX
ZIP code 78586	9.0 mi	San Benito, TX
ZIP code 78521	9.6 mi	Brownsville, TX
ZIP code 78522	9.8 mi	Brownsville, TX
ZIP code 78566	10 mi	Los Fresnos, TX
ZIP code 78568	11 mi	Lozano, 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 78575, plotted from its record coordinates.

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

Scope ZIP code 78575. 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.