Clay County, Missouri

18 ZIP codes · 397.66 sq mi of land · FIPS 29047

Population258,122
StateMissouri
FIPS code29047
Time zoneCentral
Land area397.66 sq mi
Center (lat, long)39.3156, -94.4215

Area codes in this area

816975

These are the area codes that most often serve Clay County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Cities and towns (largest first)

Kansas City · 510,612Liberty · 30,689Excelsior SpringsHoltKearneyMissouri CitySmithville

ZIP codes in Clay County

64024 Excelsior Springs64048 Holt64060 Kearney64068 Liberty64072 Missouri City64089 Smithville64116 Kansas City64117 Kansas City64118 Kansas City64119 Kansas City64155 Kansas City64156 Kansas City64157 Kansas City64158 Kansas City64161 Kansas City64165 Kansas City64166 Kansas City64167 Kansas City

Population: U.S. Census Bureau, ACS 5-year estimates, 2024.