ZIP Codes in Gulfport, MS
Gulfport uses 3 ZIP codes, all in Harrison County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Gulfport ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 39501 | standard | Harrison | 22,565 |
| 39503 | standard | Harrison | 55,059 |
| 39507 | standard | Harrison | 18,564 |
Finding a ZIP+4 in Gulfport
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 Gulfport street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Gulfport addresses and download it complete.