ZIP Code 72728 is located in Elm Springs Arkansas. 72728 is entirely within Washington County. Regionally, it is located in the Ft. Smith-Fayetteville-Springdale-Rogers Area.
| ZIP Code Name | Elm Springs |
| Primary County | Washington County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 36.20618439,-94.23481750 |
| Adjacent ZIP Codes | |
| Region | Ft. Smith-Fayetteville-Springdale-Rogers Area |
| Metropolitan/Micropolitan Stat Area | Fayetteville-Springdale-Rogers, AR |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |