zip4lookup

ZIP Codes in Fort Smith, AR

Fort Smith uses 6 ZIP codes, all in Sebastian County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.

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All 6 Fort Smith ZIP codes

ZIPTypeCountyPopulation
72901 standard Sebastian 19,819
72903 standard Sebastian 27,242
72904 standard Sebastian 21,296
72905 standard Sebastian —
72908 standard Sebastian 14,288
72916 standard Sebastian 11,711

Finding a ZIP+4 in Fort Smith

Knowing which of these 6 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Fort Smith street almost always have different ZIP+4 codes even though they share all five leading digits.

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