ZIP Code 52742

52742 is one of Iowa's ZIP codes, delivering to addresses in De Witt, Clinton County.

City: De Witt
County: Clinton County
State: Iowa
Prefix: 527xx

Where this code sits

52742 is part of the 527xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to De Witt.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52742 delivers to without sharing its boundary.

563 Area code 563

ZIP codes nearest 52742

The ZIP codes whose reference points sit closest to 52742.
ZIP code	Distance	Delivers to
ZIP code 52774	6.7 mi	Welton, IA
ZIP code 52758	6.8 mi	Mc Causland, IA
ZIP code 52756	7.4 mi	Long Grove, IA
ZIP code 52751	7.7 mi	Grand Mound, IA
ZIP code 52757	8.9 mi	Low Moor, IA
ZIP code 52731	11 mi	Charlotte, IA
ZIP code 52729	11 mi	Calamus, IA
ZIP code 52748	12 mi	Eldridge, 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 52742, plotted from its record coordinates.

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

Scope ZIP code 52742. 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.