Riley Kansas ZIP Codes
Riley holds a single ZIP code.
Every ZIP code in Riley
| ZIP code | County |
|---|---|
| 66531 | Riley County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Riley codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Riley. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Riley ZIP code begins 665. Those first three digits identify the sectional center facility that processes mail for this part of Kansas. Statewide that range covers 44 ZIP codes, so Riley accounts for 2% of it.
Every Kansas ZIP prefix and the region it covers →
Area codes covering Riley
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Riley occupies.
Riley Kansas area codes in full →
Where Riley's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Riley
| City | Distance | ZIP codes |
|---|---|---|
| Leonardville Kansas ZIP codes | 4.8 mi | 1 ZIP code |
| Randolph Kansas ZIP codes | 9.7 mi | 1 ZIP code |
| Milford Kansas ZIP codes | 9.8 mi | 1 ZIP code |
| Wakefield Kansas ZIP codes | 12 mi | 1 ZIP code |
| Green Kansas ZIP codes | 13 mi | 1 ZIP code |
| Manhattan Kansas ZIP codes | 14 mi | 4 ZIP codes |
| Olsburg Kansas ZIP codes | 15 mi | 1 ZIP code |
| Ogden Kansas ZIP codes | 15 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.