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.
All 6 Fort Smith ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 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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