ZIP Codes in Mandeville, LA
Mandeville uses 2 ZIP codes, all in St. Tammany County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Mandeville ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 70448 | standard | St. Tammany | 26,338 |
| 70471 | standard | St. Tammany | 24,199 |
Finding a ZIP+4 in Mandeville
Knowing which of these 2 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 Mandeville 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 Mandeville addresses and download it complete.