Postal reference / United States

66865Olpe, Kansas

ZIP code 66865 is a United States postal code for Olpe, Kansas. Its county association is Lyon County. The map reference point is at 38.2578, -96.1891.

State / territory
Kansas
Recorded place name
Olpe
County association
Lyon
Estimated coordinate
38.2578, -96.1891
View on OpenStreetMap
ZIP prefix
668 · 36 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
149.032 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
66860MadisonKSGreenwood9.7
66854HartfordKSLyon10.4
66801EmporiaKSLyon11.1
66864Neosho RapidsKSLyon13.3
66855LamontKSGreenwood13.4
66835AmericusKSLyon17.8
66853HamiltonKSGreenwood19.3
66852GridleyKSCoffey19.6

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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