ZIP Code 55123

55123 is one of Minnesota's ZIP codes, delivering to addresses in Saint Paul, Dakota County.

City: Saint Paul
County: Dakota County
State: Minnesota
Prefix: 551xx

Where this code sits

55123 is part of the 551xx range, the group of codes handled by one mail processing centre. Saint Paul is served by 43 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 55123 delivers to without sharing its boundary.

ZIP codes nearest 55123

The ZIP codes whose reference points sit closest to 55123.
ZIP code	Distance	Delivers to
ZIP code 55077	2.8 mi	Inver Grove Heights, MN
ZIP code 55121	2.9 mi	Saint Paul, MN
ZIP code 55122	4.1 mi	Saint Paul, MN
ZIP code 55120	4.5 mi	Saint Paul, MN
ZIP code 55068	4.7 mi	Rosemount, MN
ZIP code 55124	4.9 mi	Saint Paul, MN
ZIP code 55076	5.2 mi	Inver Grove Heights, MN
ZIP code 55425	5.3 mi	Minneapolis, MN

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 55123, plotted from its record coordinates.

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

Scope ZIP code 55123. 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.