There are 3 zip codes in Forrest County, Mississippi. The most populated is 39401, located in Hattiesburg. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
39401Hattiesburg41,755
39465Petal23,008
39406Hattiesburg2,124

Forrest County, Mississippi Zip Codes by Population (2024)