ZIP Code 66520

66520 is one of Kansas's ZIP codes, delivering to addresses in Olsburg, Pottawatomie County.

City: Olsburg
County: Pottawatomie County
State: Kansas
Prefix: 665xx

Where this code sits

66520 is part of the 665xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Olsburg.

Olsburg Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66520 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66520

The ZIP codes whose reference points sit closest to 66520.
ZIP code	Distance	Delivers to
ZIP code 66426	5.3 mi	Fostoria, KS
ZIP code 66505	8.4 mi	Manhattan, KS
ZIP code 66549	8.7 mi	Westmoreland, KS
ZIP code 66554	11 mi	Randolph, KS
ZIP code 66503	12 mi	Manhattan, KS
ZIP code 66531	14 mi	Riley, KS
ZIP code 66449	14 mi	Leonardville, KS
ZIP code 66506	15 mi	Manhattan, KS

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 66520, plotted from its record coordinates.

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

Scope ZIP code 66520. 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.