ZIP Code 63043

63043 is one of Missouri's ZIP codes, delivering to addresses in Maryland Heights, St. Louis County.

City: Maryland Heights
County: St. Louis County
State: Missouri
Prefix: 630xx

Where this code sits

63043 is part of the 630xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Maryland Heights.

Maryland Heights Missouri ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 63043 delivers to without sharing its boundary.

ZIP codes nearest 63043

The ZIP codes whose reference points sit closest to 63043.
ZIP code	Distance	Delivers to
ZIP code 63146	1.6 mi	Saint Louis, MO
ZIP code 63044	2.6 mi	Bridgeton, MO
ZIP code 63074	3.3 mi	Saint Ann, MO
ZIP code 63045	3.3 mi	Earth City, MO
ZIP code 63302	4.6 mi	Saint Charles, MO
ZIP code 63141	4.6 mi	Saint Louis, MO
ZIP code 63114	4.7 mi	Saint Louis, MO
ZIP code 63132	5.1 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 63043, plotted from its record coordinates.

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

Scope ZIP code 63043. 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.