Post Offices List in Custer County, Oklahoma:
| Arapaho Post Office | 668 Main St, Arapaho, OK 73620 |
| Butler Post Office | 103 N Olmstead Ave, Butler, OK 73625 |
| Clinton Post Office | 212 S 11th St, Clinton, OK 73601 |
| Custer City Post Office | 630 S Main St, Custer City, OK 73639 |
| Thomas Post Office | 108 N Main St, Thomas, OK 73669 |
| Weatherford Post Office | 107 E Franklin Ave, Weatherford, OK 73096 |
| Clinton Post Office | 212 S 11th St, Clinton, OK 73601 |