ZIP Code 52621

52621 is one of Iowa's ZIP codes, delivering to addresses in Crawfordsville, Washington County.

City: Crawfordsville
County: Washington County
State: Iowa
Prefix: 526xx

Where this code sits

52621 is part of the 526xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Crawfordsville.

Crawfordsville Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52621 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52621

The ZIP codes whose reference points sit closest to 52621.
ZIP code	Distance	Delivers to
ZIP code 52647	5.2 mi	Olds, IA
ZIP code 52652	7.3 mi	Swedesburg, IA
ZIP code 52654	7.6 mi	Wayland, IA
ZIP code 52201	7.7 mi	Ainsworth, IA
ZIP code 52659	7.9 mi	Winfield, IA
ZIP code 52737	9.3 mi	Columbus City, IA
ZIP code 52353	10 mi	Washington, IA
ZIP code 52644	14 mi	Mount Union, 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 52621, plotted from its record coordinates.

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

Scope ZIP code 52621. 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.