Fort Sill, OK
ZIP Codes in Fort Sill, Oklahoma
January 23, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 73503 | 11,528 | 34.6830, -98.4918 |
Fort Sill has 1 ZIP code
ZIP Codes in Fort Sill, Oklahoma
January 23, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 73503 | 11,528 | 34.6830, -98.4918 |