ZIP Code 71731 is located in El Dorado Arkansas. 71731 is entirely within Union County. Regionally, it is located in the Monroe-El Dorado Area.
| ZIP Code Name | El Dorado |
| Primary County | Union County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 33.21175766,-92.66120911 |
| Adjacent ZIP Codes | |
| Region | Monroe-El Dorado Area |
| Metropolitan/Micropolitan Stat Area | El Dorado, AR |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |