Find the last 4 digits (ZIP+4) for an address in 66023

ZIP 66023, Effingham, KS is filled in. Just type the street address.

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ZIP Code 66023 – Effingham, KS

Effingham, Kansas · Atchison County · Central time

ZIP code66023
CityEffingham
StateKansas
CountyAtchison County
Population1,189
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area72.01 sq mi
Center (lat, long)39.5123, -95.3924

Area codes in this area

913

These are the area codes that most often serve ZIP 66023 (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

66058 Muscotah · 7.1 mi66060 Nortonville · 7.2 mi66041 Lancaster · 7.6 mi66016 Cummings · 9.6 mi66424 Everest · 11.2 mi66088 Valley Falls · 12.3 mi66439 Horton · 12.7 mi66552 Whiting · 13.7 mi

About ZIP 66023

ZIP code 66023 is assigned to Effingham, Kansas. It lies in Atchison County. Its Census area covers about 72.01 square miles of land. The closest neighboring ZIP is 66058 (Muscotah), about 7.1 miles away.

Every address in 66023 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