ZIP Code 52221

52221 is one of Iowa's ZIP codes, delivering to addresses in Guernsey, Poweshiek County.

City: Guernsey
County: Poweshiek County
State: Iowa
Prefix: 522xx

Where this code sits

52221 is part of the 522xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Guernsey.

Guernsey Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52221 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52221

The ZIP codes whose reference points sit closest to 52221.
ZIP code	Distance	Delivers to
ZIP code 52222	4.6 mi	Deep River, IA
ZIP code 52347	7.1 mi	Victor, IA
ZIP code 52211	7.7 mi	Brooklyn, IA
ZIP code 50171	9.8 mi	Montezuma, IA
ZIP code 50104	11 mi	Gibson, IA
ZIP code 52308	11 mi	Millersburg, IA
ZIP code 52251	12 mi	Ladora, IA
ZIP code 52232	12 mi	Hartwick, 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 52221, plotted from its record coordinates.

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

Scope ZIP code 52221. 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.