73503 Fort Sill
How to address mail to Fort Sill
Recipient nameHouse number and street
FORT SILL, OK 73503
UNITED STATES
Statistics for ZIP Code 73503 in Fort Sill
- Nearest town: Lawton (5.72 km) — 96,655 people
- Elevation: 339 m
- Time zone: America/Chicago
- Nearest ZIP Code: 73507 Lawton (4.01 km)
- ZIP Codes within 5 km: 1
- Geographical Coordinates: Latitude 34.6595, Longitude -98.4004
This is the only zip code serving Fort Sill. The 735xx range covers 55 zip codes across 48 localities. It sits in the south-west of Oklahoma.