ZIP Code 66503

66503 is one of Kansas's ZIP codes, delivering to addresses in Manhattan, Riley County.

City: Manhattan
County: Riley County
State: Kansas
Prefix: 665xx

Where this code sits

66503 is part of the 665xx range, the group of codes handled by one mail processing centre. Manhattan is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Manhattan page.

Manhattan Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66503 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66503

The ZIP codes whose reference points sit closest to 66503.
ZIP code	Distance	Delivers to
ZIP code 66506	4.3 mi	Manhattan, KS
ZIP code 66502	4.4 mi	Manhattan, KS
ZIP code 66505	4.7 mi	Manhattan, KS
ZIP code 66517	9.9 mi	Ogden, KS
ZIP code 66531	11 mi	Riley, KS
ZIP code 66535	11 mi	Saint George, KS
ZIP code 66520	12 mi	Olsburg, KS
ZIP code 66449	15 mi	Leonardville, 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 66503, plotted from its record coordinates.

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

Scope ZIP code 66503. 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.