ZIP Code 52305

52305 is one of Iowa's ZIP codes, delivering to addresses in Martelle, Jones County.

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

Where this code sits

52305 is part of the 523xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Martelle.

Martelle Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52305 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52305

The ZIP codes whose reference points sit closest to 52305.
ZIP code	Distance	Delivers to
ZIP code 52312	3.9 mi	Morley, IA
ZIP code 52253	6.6 mi	Lisbon, IA
ZIP code 52336	7.2 mi	Springville, IA
ZIP code 52306	7.3 mi	Mechanicsville, IA
ZIP code 52205	7.4 mi	Anamosa, IA
ZIP code 52314	7.5 mi	Mount Vernon, IA
ZIP code 52320	9.3 mi	Olin, IA
ZIP code 52337	11 mi	Stanwood, 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 52305, plotted from its record coordinates.

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

Scope ZIP code 52305. 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.