About ZIP code 73503
The ZIP code 73503 routes mail to Fort Sill in the Oklahoma region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
73503 - Fort Sill
ZIP code 73503 is Fort Sill in Oklahoma, United States.
| ZIP code | 73503 |
| Place | Fort Sill |
| Region | Oklahoma |
| District | Comanche |
| Country | United States (US) |
| Coordinates | 34.6595, -98.4004 (map) |