ZIP Code 52729

52729 is one of Iowa's ZIP codes, delivering to addresses in Calamus, Clinton County.

City: Calamus
County: Clinton County
State: Iowa
Prefix: 527xx

Where this code sits

52729 is part of the 527xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Calamus.

Calamus Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52729 delivers to without sharing its boundary.

563 Area code 563

ZIP codes nearest 52729

The ZIP codes whose reference points sit closest to 52729.
ZIP code	Distance	Delivers to
ZIP code 52751	4.6 mi	Grand Mound, IA
ZIP code 52777	5.2 mi	Wheatland, IA
ZIP code 52745	6.9 mi	Dixon, IA
ZIP code 52746	7.7 mi	Donahue, IA
ZIP code 52765	9.1 mi	New Liberty, IA
ZIP code 52774	10 mi	Welton, IA
ZIP code 52255	11 mi	Lowden, IA
ZIP code 52742	11 mi	De Witt, 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 52729, plotted from its record coordinates.

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

Scope ZIP code 52729. 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.