ZIP Code 52228

52228 is one of Iowa's ZIP codes, delivering to addresses in Fairfax, Linn County.

City: Fairfax
County: Linn County
State: Iowa
Prefix: 522xx

Where this code sits

52228 is part of the 522xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fairfax.

Fairfax Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52228 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52228

The ZIP codes whose reference points sit closest to 52228.
ZIP code	Distance	Delivers to
ZIP code 52351	3.9 mi	Walford, IA
ZIP code 52404	5.5 mi	Cedar Rapids, IA
ZIP code 52405	5.8 mi	Cedar Rapids, IA
ZIP code 52318	5.9 mi	Norway, IA
ZIP code 52206	7.0 mi	Atkins, IA
ZIP code 52401	7.6 mi	Cedar Rapids, IA
ZIP code 52203	7.9 mi	Amana, IA
ZIP code 52338	8.2 mi	Swisher, 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 52228, plotted from its record coordinates.

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

Scope ZIP code 52228. 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.