ZIP Code 50668

50668 is one of Iowa's ZIP codes, delivering to addresses in Readlyn, Bremer County.

City: Readlyn
County: Bremer County
State: Iowa
Prefix: 506xx

Where this code sits

50668 is part of the 506xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Readlyn.

Readlyn Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50668 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 50668

The ZIP codes whose reference points sit closest to 50668.
ZIP code	Distance	Delivers to
ZIP code 50622	6.6 mi	Denver, IA
ZIP code 50664	7.1 mi	Oran, IA
ZIP code 50626	8.4 mi	Dunkerton, IA
ZIP code 50676	8.5 mi	Tripoli, IA
ZIP code 50629	11 mi	Fairbank, IA
ZIP code 50677	11 mi	Waverly, IA
ZIP code 50674	11 mi	Sumner, IA
ZIP code 50623	12 mi	Dewar, 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 50668, plotted from its record coordinates.

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

Scope ZIP code 50668. 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.