Post Offices List in Phelps County, Missouri:
| Edgar Springs Post Office | 579 Broadway St, Edgar Springs, MO 65462 |
| Newburg Post Office | 71 E 1st St, Newburg, MO 65550 |
| Rolla Post Office | 501 W 8th St, Rolla, MO 65401 |
| Saint James Post Office | 201 N Bourbeuse St, Saint James, MO 65559 |