ZIP Code 64423

64423 is one of Missouri's ZIP codes, delivering to addresses in Barnard, Nodaway County.

City: Barnard
County: Nodaway County
State: Missouri
Prefix: 644xx

Where this code sits

64423 is part of the 644xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Barnard.

Barnard Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 64423 delivers to without sharing its boundary.

660 Area code 660

ZIP codes nearest 64423

The ZIP codes whose reference points sit closest to 64423.
ZIP code	Distance	Delivers to
ZIP code 64457	5.9 mi	Guilford, MO
ZIP code 64427	7.2 mi	Bolckow, MO
ZIP code 64433	7.4 mi	Conception, MO
ZIP code 64434	8.2 mi	Conception Junction, MO
ZIP code 64432	9.0 mi	Clyde, MO
ZIP code 64483	10 mi	Rosendale, MO
ZIP code 64480	10 mi	Rea, MO
ZIP code 64455	11 mi	Graham, MO

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 64423, plotted from its record coordinates.

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

Scope ZIP code 64423. 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.