ZIP Code 52327

52327 is one of Iowa's ZIP codes, delivering to addresses in Riverside, Washington County.

City: Riverside
County: Washington County
State: Iowa
Prefix: 523xx

Where this code sits

52327 is part of the 523xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Riverside.

Riverside Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52327 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52327

The ZIP codes whose reference points sit closest to 52327.
ZIP code	Distance	Delivers to
ZIP code 52235	6.0 mi	Hills, IA
ZIP code 52247	6.8 mi	Kalona, IA
ZIP code 52755	7.3 mi	Lone Tree, IA
ZIP code 52244	8.1 mi	Iowa City, IA
ZIP code 52201	11 mi	Ainsworth, IA
ZIP code 52246	12 mi	Iowa City, IA
ZIP code 52240	12 mi	Iowa City, IA
ZIP code 52242	13 mi	Iowa City, 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 52327, plotted from its record coordinates.

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

Scope ZIP code 52327. 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.