ZIP Code 52657

52657 is one of Iowa's ZIP codes, delivering to addresses in Saint Paul, Lee County.

City: Saint Paul
County: Lee County
State: Iowa
Prefix: 526xx

Where this code sits

52657 is part of the 526xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Saint Paul.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52657 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52657

The ZIP codes whose reference points sit closest to 52657.
ZIP code	Distance	Delivers to
ZIP code 52648	1.1 mi	Pilot Grove, IA
ZIP code 52631	5.1 mi	Houghton, IA
ZIP code 52656	5.5 mi	West Point, IA
ZIP code 52625	8.1 mi	Donnellson, IA
ZIP code 52649	8.6 mi	Salem, IA
ZIP code 52624	9.6 mi	Denmark, IA
ZIP code 52630	11 mi	Hillsboro, IA
ZIP code 52645	12 mi	New London, IA

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 52657, plotted from its record coordinates.

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

Scope ZIP code 52657. 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.