ZIP Codes in West Monroe, LA
West Monroe uses 2 ZIP codes, all in Ouachita County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 West Monroe ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 71291 | standard | Ouachita | 35,269 |
| 71292 | standard | Ouachita | 22,935 |
Finding a ZIP+4 in West Monroe
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 West Monroe 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 West Monroe addresses and download it complete.