ZIP Code 77866

77866 is one of Texas's ZIP codes, delivering to addresses in Millican, Brazos County.

City: Millican
County: Brazos County
State: Texas
Prefix: 778xx

Where this code sits

77866 is part of the 778xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Millican.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 77866 delivers to without sharing its boundary.

936 Area code 936

ZIP codes nearest 77866

The ZIP codes whose reference points sit closest to 77866.
ZIP code	Distance	Delivers to
ZIP code 77845	7.4 mi	College Station, TX
ZIP code 77881	7.8 mi	Wellborn, TX
ZIP code 77880	9.1 mi	Washington, TX
ZIP code 77841	11 mi	College Station, TX
ZIP code 77868	11 mi	Navasota, TX
ZIP code 77840	12 mi	College Station, TX
ZIP code 77830	14 mi	Anderson, TX
ZIP code 77801	16 mi	Bryan, 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 77866, plotted from its record coordinates.

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

Scope ZIP code 77866. 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.