ZIP Code 63866

63866 is one of Missouri's ZIP codes, delivering to addresses in Marston, New Madrid County.

City: Marston
County: New Madrid County
State: Missouri
Prefix: 638xx

Where this code sits

63866 is part of the 638xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Marston.

Marston Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 63866 delivers to without sharing its boundary.

ZIP codes nearest 63866

The ZIP codes whose reference points sit closest to 63866.
ZIP code	Distance	Delivers to
ZIP code 63862	4.6 mi	Lilbourn, MO
ZIP code 63869	7.4 mi	New Madrid, MO
ZIP code 63873	8.0 mi	Portageville, MO
ZIP code 63860	11 mi	Kewanee, MO
ZIP code 63874	12 mi	Risco, MO
ZIP code 63878	12 mi	Tallapoosa, MO
ZIP code 63870	12 mi	Parma, MO
ZIP code 38079	12 mi	Tiptonville, TN

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 63866, plotted from its record coordinates.

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

Scope ZIP code 63866. 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.