ZIP Codes in Monroe, LA
Monroe uses 5 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 5 Monroe ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 71201 | standard | Ouachita | 21,782 |
| 71202 | standard | Ouachita | 25,444 |
| 71203 | standard | Ouachita | 38,354 |
| 71209 | standard | Ouachita | 1,264 |
| 71212 | standard | Ouachita | — |
Finding a ZIP+4 in Monroe
Knowing which of these 5 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 Monroe street almost always have different ZIP+4 codes even though they share all five leading digits.
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