There are 12 zip codes in Carter County, Oklahoma. The most populated is 73401, located in Ardmore. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
7340136,324Ardmore
734633,894Wilson
734433,294Lone Grove
734382,812Healdton
734811,048Ratliff City
73458949Springer
73487183Tatums
73444162Hennepin
73436132Gene Autry
7343757Graham
7343553Fox
7348824Tussy

Zip Codes in Carter County, Oklahoma by Population (2024)