| Post Office Name | US Post Office |
| Address | 10516 AR-21 |
| City | Oak Grove |
| State | Arkansas |
| Phone Number | (800) 275-8777 |
| Latitude | 36.4583 |
| Longitude | -93.4324 |
72660 US Post Office in Oak Grove, Arkansas is located at 10516 AR-21. The Oak Grove Post Office Number is (800) 275-8777
