ZIP Code 79843

79843 is one of Texas's ZIP codes, delivering to addresses in Marfa, Presidio County.

City: Marfa
County: Presidio County
State: Texas
Prefix: 798xx

Where this code sits

79843 is part of the 798xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Marfa.

Marfa Texas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 79843 delivers to without sharing its boundary.

432 Area code 432

ZIP codes nearest 79843

The ZIP codes whose reference points sit closest to 79843.
ZIP code	Distance	Delivers to
ZIP code 79734	24 mi	Fort Davis, TX
ZIP code 79831	25 mi	Alpine, TX
ZIP code 79830	26 mi	Alpine, TX
ZIP code 79832	26 mi	Alpine, TX
ZIP code 79854	33 mi	Valentine, TX
ZIP code 79786	48 mi	Toyahvale, TX
ZIP code 79718	52 mi	Balmorhea, TX
ZIP code 79845	53 mi	Presidio, 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 79843, plotted from its record coordinates.

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

Scope ZIP code 79843. 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.