ZIP Code 63010

63010 is one of Missouri's ZIP codes, delivering to addresses in Arnold, Jefferson County.

City: Arnold
County: Jefferson County
State: Missouri
Prefix: 630xx

Where this code sits

63010 is part of the 630xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Arnold.

Arnold Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 63010 delivers to without sharing its boundary.

ZIP codes nearest 63010

The ZIP codes whose reference points sit closest to 63010.
ZIP code	Distance	Delivers to
ZIP code 63052	3.2 mi	Imperial, MO
ZIP code 63129	3.7 mi	Saint Louis, MO
ZIP code 63128	4.2 mi	Saint Louis, MO
ZIP code 63053	4.7 mi	Kimmswick, MO
ZIP code 63057	6.2 mi	Liguori, MO
ZIP code 63012	6.5 mi	Barnhart, MO
ZIP code 63026	6.6 mi	Fenton, MO
ZIP code 63127	7.3 mi	Saint Louis, 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 63010, plotted from its record coordinates.

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

Scope ZIP code 63010. 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.