ZIP Code 77870

77870 is one of Texas's ZIP codes, delivering to addresses in New Baden, Robertson County.

City: New Baden
County: Robertson County
State: Texas
Prefix: 778xx

Where this code sits

77870 is part of the 778xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to New Baden.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 77870 delivers to without sharing its boundary.

979 Area code 979

ZIP codes nearest 77870

The ZIP codes whose reference points sit closest to 77870.
ZIP code	Distance	Delivers to
ZIP code 77856	6.3 mi	Franklin, TX
ZIP code 77882	11 mi	Wheelock, TX
ZIP code 77837	15 mi	Calvert, TX
ZIP code 77859	16 mi	Hearne, TX
ZIP code 76629	16 mi	Bremond, TX
ZIP code 77865	17 mi	Marquez, TX
ZIP code 77808	18 mi	Bryan, TX
ZIP code 77871	18 mi	Normangee, 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 77870, plotted from its record coordinates.

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

Scope ZIP code 77870. 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.