ZIP Code 66554

66554 is one of Kansas's ZIP codes, delivering to addresses in Randolph, Riley County.

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

Where this code sits

66554 is part of the 665xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Randolph.

Randolph Kansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 66554 delivers to without sharing its boundary.

785 Area code 785

ZIP codes nearest 66554

The ZIP codes whose reference points sit closest to 66554.
ZIP code	Distance	Delivers to
ZIP code 66449	9.5 mi	Leonardville, KS
ZIP code 66520	11 mi	Olsburg, KS
ZIP code 67447	12 mi	Green, KS
ZIP code 66531	13 mi	Riley, KS
ZIP code 66505	14 mi	Manhattan, KS
ZIP code 66933	14 mi	Barnes, KS
ZIP code 66548	15 mi	Waterville, KS
ZIP code 66426	15 mi	Fostoria, 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 66554, plotted from its record coordinates.

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

Scope ZIP code 66554. 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.