ZIP Code 79842

79842 is one of Texas's ZIP codes, delivering to addresses in Marathon, Brewster County.

City: Marathon
County: Brewster County
State: Texas
Prefix: 798xx

Where this code sits

79842 is part of the 798xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Marathon.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 79842 delivers to without sharing its boundary.

432 Area code 432

ZIP codes nearest 79842

The ZIP codes whose reference points sit closest to 79842.
ZIP code	Distance	Delivers to
ZIP code 79830	26 mi	Alpine, TX
ZIP code 79831	28 mi	Alpine, TX
ZIP code 79832	29 mi	Alpine, TX
ZIP code 79848	49 mi	Sanderson, TX
ZIP code 79734	52 mi	Fort Davis, TX
ZIP code 79843	52 mi	Marfa, TX
ZIP code 79735	53 mi	Fort Stockton, TX
ZIP code 79834	62 mi	Big Bend National Park, 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 79842, plotted from its record coordinates.

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

Scope ZIP code 79842. 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.