ZIP Codes in Biloxi, MS
Biloxi uses 4 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 4 Biloxi ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 39530 | standard | Harrison | 7,701 |
| 39531 | standard | Harrison | 18,918 |
| 39532 | standard | Harrison | 36,662 |
| 39534 | standard | Harrison | 1,857 |
Finding a ZIP+4 in Biloxi
Knowing which of these 4 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 Biloxi 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 Biloxi addresses and download it complete.