ZIP Code 64490

64490 is one of Missouri's ZIP codes, delivering to addresses in Stewartsville, DeKalb County.

City: Stewartsville
County: DeKalb County
State: Missouri
Prefix: 644xx

Where this code sits

64490 is part of the 644xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Stewartsville.

Stewartsville Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 64490 delivers to without sharing its boundary.

ZIP codes nearest 64490

The ZIP codes whose reference points sit closest to 64490.
ZIP code	Distance	Delivers to
ZIP code 64430	1.7 mi	Clarksdale, MO
ZIP code 64422	5.9 mi	Amity, MO
ZIP code 64474	6.4 mi	Osborn, MO
ZIP code 64443	8.1 mi	Easton, MO
ZIP code 64436	10 mi	Cosby, MO
ZIP code 64459	11 mi	Helena, MO
ZIP code 64469	12 mi	Maysville, MO
ZIP code 64494	13 mi	Union Star, 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 64490, plotted from its record coordinates.

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

Scope ZIP code 64490. 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.