ZIP Code 52033

52033 is one of Iowa's ZIP codes, delivering to addresses in Cascade, Dubuque County.

City: Cascade
County: Dubuque County
State: Iowa
Prefix: 520xx

Where this code sits

52033 is part of the 520xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cascade.

Cascade Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52033 delivers to without sharing its boundary.

563 Area code 563

ZIP codes nearest 52033

The ZIP codes whose reference points sit closest to 52033.
ZIP code	Distance	Delivers to
ZIP code 52032	8.3 mi	Bernard, IA
ZIP code 52078	8.7 mi	Worthington, IA
ZIP code 52310	10 mi	Monticello, IA
ZIP code 52046	11 mi	Farley, IA
ZIP code 52045	12 mi	Epworth, IA
ZIP code 52212	12 mi	Center Junction, IA
ZIP code 52321	12 mi	Onslow, IA
ZIP code 52237	12 mi	Hopkinton, 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 52033, plotted from its record coordinates.

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

Scope ZIP code 52033. 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.