ZIP Code 63821

63821 is one of Missouri's ZIP codes, delivering to addresses in Arbyrd, Dunklin County.

City: Arbyrd
County: Dunklin County
State: Missouri
Prefix: 638xx

Where this code sits

63821 is part of the 638xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Arbyrd.

Arbyrd Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 63821 delivers to without sharing its boundary.

ZIP codes nearest 63821

The ZIP codes whose reference points sit closest to 63821.
ZIP code	Distance	Delivers to
ZIP code 63829	3.5 mi	Cardwell, MO
ZIP code 63876	6.8 mi	Senath, MO
ZIP code 63855	8.2 mi	Hornersville, MO
ZIP code 72438	8.3 mi	Leachville, AR
ZIP code 72447	12 mi	Monette, AR
ZIP code 63875	12 mi	Rives, MO
ZIP code 72443	13 mi	Marmaduke, AR
ZIP code 72442	15 mi	Manila, AR

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 63821, plotted from its record coordinates.

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

Scope ZIP code 63821. 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.