ZIP Code 78371

78371 is one of Texas's ZIP codes, delivering to addresses in Oilton, Webb County.

City: Oilton
County: Webb County
State: Texas
Prefix: 783xx

Where this code sits

78371 is part of the 783xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Oilton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 78371 delivers to without sharing its boundary.

361 Area code 361

ZIP codes nearest 78371

The ZIP codes whose reference points sit closest to 78371.
ZIP code	Distance	Delivers to
ZIP code 78369	3.1 mi	Mirando City, TX
ZIP code 78344	7.8 mi	Bruni, TX
ZIP code 78043	18 mi	Laredo, TX
ZIP code 78361	21 mi	Hebbronville, TX
ZIP code 78376	28 mi	Realitos, TX
ZIP code 78046	32 mi	Laredo, TX
ZIP code 78042	33 mi	Laredo, TX
ZIP code 78044	33 mi	Laredo, 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 78371, plotted from its record coordinates.

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

Scope ZIP code 78371. 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.