ZIP Code 77420

77420 is one of Texas's ZIP codes, delivering to addresses in Boling, Wharton County.

City: Boling
County: Wharton County
State: Texas
Prefix: 774xx

Where this code sits

77420 is part of the 774xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Boling.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 77420 delivers to without sharing its boundary.

979 Area code 979

ZIP codes nearest 77420

The ZIP codes whose reference points sit closest to 77420.
ZIP code	Distance	Delivers to
ZIP code 77453	4.1 mi	Lane City, TX
ZIP code 77468	6.3 mi	Pledger, TX
ZIP code 77488	8.2 mi	Wharton, TX
ZIP code 77467	10 mi	Pierce, TX
ZIP code 77431	11 mi	Danciger, TX
ZIP code 77448	13 mi	Hungerford, TX
ZIP code 77444	14 mi	Guy, TX
ZIP code 77451	14 mi	Kendleton, 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 77420, plotted from its record coordinates.

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

Scope ZIP code 77420. 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.