ZIP Code 66427 – Frankfort, KS
Frankfort, Kansas · Marshall County · Central time
| ZIP code | 66427 |
|---|---|
| City | Frankfort |
| State | Kansas |
| County | Marshall CountyPottawatomie County |
| Population | 1,334 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 211.35 sq mi |
| Center (lat, long) | 39.6613, -96.4388 |
Area codes in this area
These are the area codes that most often serve ZIP 66427 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 66427
ZIP code 66427 is assigned to Frankfort, Kansas. It crosses 2 counties; most of its land is in Marshall County. Its Census area covers about 211.35 square miles of land. The closest neighboring ZIP is 66544 (Vermillion), about 9 miles away.
Every address in 66427 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources