ZIP Codes in Hattiesburg, MS
Hattiesburg uses 3 ZIP codes, all in Forrest, Lamar Counties. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Hattiesburg ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 39401 | standard | Forrest | 42,531 |
| 39402 | standard | Lamar | 44,620 |
| 39406 | standard | Forrest | 1,935 |
Finding a ZIP+4 in Hattiesburg
Knowing which of these 3 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 Hattiesburg street almost always have different ZIP+4 codes even though they share all five leading digits.
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