ZIP Code 52310

52310 is one of Iowa's ZIP codes, delivering to addresses in Monticello, Jones County.

City: Monticello
County: Jones County
State: Iowa
Prefix: 523xx

Where this code sits

52310 is part of the 523xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Monticello.

Monticello Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52310 delivers to without sharing its boundary.

ZIP codes nearest 52310

The ZIP codes whose reference points sit closest to 52310.
ZIP code	Distance	Delivers to
ZIP code 52252	3.1 mi	Langworthy, IA
ZIP code 52237	7.9 mi	Hopkinton, IA
ZIP code 52205	9.7 mi	Anamosa, IA
ZIP code 52212	9.9 mi	Center Junction, IA
ZIP code 52033	10 mi	Cascade, IA
ZIP code 52219	11 mi	Prairieburg, IA
ZIP code 52078	12 mi	Worthington, IA
ZIP code 52321	13 mi	Onslow, 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 52310, plotted from its record coordinates.

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

Scope ZIP code 52310. 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.