ZIP Code 63673

63673 is one of Missouri's ZIP codes, delivering to addresses in Saint Mary, Ste. Genevieve County.

City: Saint Mary
County: Ste. Genevieve County
State: Missouri
Prefix: 636xx

Where this code sits

63673 is part of the 636xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Saint Mary.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 63673 delivers to without sharing its boundary.

ZIP codes nearest 63673

The ZIP codes whose reference points sit closest to 63673.
ZIP code	Distance	Delivers to
ZIP code 62259	9.2 mi	Menard, IL
ZIP code 63775	9.8 mi	Perryville, MO
ZIP code 62233	10 mi	Chester, IL
ZIP code 63670	11 mi	Sainte Genevieve, MO
ZIP code 63776	11 mi	Mc Bride, MO
ZIP code 62241	13 mi	Ellis Grove, IL
ZIP code 62261	15 mi	Modoc, IL
ZIP code 62297	15 mi	Walsh, IL

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 63673, plotted from its record coordinates.

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

Scope ZIP code 63673. 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.