Fort Sill is a historic United States Army post located just north of Lawton, Oklahoma, and it serves as a key installation for artillery, air defense, and joint training. The main Fort Sill address is 5520 E 38th St, Lawton, OK 73507, which directs visitors and service members to the primary visitor control center and administrative offices.
Whether you are coordinating a family visit, shipping official mail, or planning a unit move, understanding the correct Fort Sill address and access procedures helps ensure a smooth arrival. The following sections cover location details, mailing guidance, visitor information, and common questions about the installation.
| Purpose | Address | Contact | Best Use |
|---|---|---|---|
| Visitor Entry | 5520 E 38th St, Lawton, OK 73507 | (580) 442-8911 | Arriving in person for official or family visits |
| U.S. Mail | PSC 1, Box 89, Fort Sill, OK 73507 | N/A | Sending letters and packages to personnel |
| Commercial Delivery | 5520 E 38th St, Lawton, OK 73507 | (580) 442-8911 | Logistics, supplies, and contractor shipments |
| GPS Navigation | 5520 E 38th St, Lawton, OK 73507 | (580) 442-8911 | Turn-by-turn driving instructions |
Fort Sill Visitor Information
Visitors to Fort Sill should plan ahead to streamline entry and parking. The main visitor center operates during standard business hours and requires photo identification for entry. Understanding the Fort Sill address for visitors helps drivers navigate directly to the reception area without unnecessary turns or delays.
What to Bring
Bring a valid driver’s license, proof of insurance for vehicles, and any appointment or pass documentation if required. Contractors and vendors may need additional registration through the facility office.
Fort Sill Mailing and Shipping
Using the correct Fort Sill address for mail ensures timely delivery to service members, civilian employees, and family members. The postal address is different from the GPS address, so it is important to select the appropriate format depending on whether you are using online forms, official forms, or shipping services.
Domestic and International Mail
For domestic U.S. mail, use PSC 1, Box 89, Fort Sill, OK 73507. For international mail, include the APO or DPO designation along with the same ZIP code to route through military postal networks.
Access and Entry Procedures
Entry procedures at Fort Sill vary depending on whether you are a military personnel, civilian, contractor, or family visitor. The primary checkpoint is located near the main Fort Sill address on 38th Street, where security personnel confirm identity and vehicle authorization.
Vehicle and Identification Checks
Expect vehicle inspections, possible bag checks, and verification of Department of Defense credentials. Visitors without a DoD ID may be directed to the visitor center for escort arrangements.
Family and Relocation Support
Families relocating to Fort Sill will find housing, schools, and medical resources coordinated through the installation support office. Providing the correct Fort Sill address on official forms helps placement staff process requests more quickly.
Housing and School Information
Contact housing authorities using the installation address to verify availability, and reach out to the school liaison using the same address to assist with enrollment paperwork for children.
Logistics and Commercial Delivery
Commercial vendors and delivery services should confirm access rules before arriving at Fort Sill. The designated delivery address aligns with the main entrance, and scheduling through the receiving office minimizes wait times at the gate.
Scheduling and Appointment Requirements
Many delivery routes require advance scheduling, vehicle registration details, and proof of insurance. Use the Fort Sill address and contact number to coordinate timing with the receiving activity.
Key Takeaways for Fort Sill Address Use
- Use 5520 E 38th St, Lawton, OK 73507 for in-person visits and GPS navigation.
- Use PSC 1, Box 89, Fort Sill, OK 73507 for U.S. and international mail.
- Contact the visitor center at (580) 442-8911 to confirm entry requirements.
- Coordinate deliveries and contractor access in advance with the installation office.
- Verify specific documentation, such as insurance and vehicle registration, before arriving.
FAQ
Reader questions
What is the correct Fort Sill address for sending personal mail?
Use PSC 1, Box 89, Fort Sill, OK 73507 for domestic U.S. mail and include the appropriate APO or DPO designation for international mail.
Can visitors use the Fort Sill address for GPS navigation?
Yes, entering 5520 E 38th St, Lawton, OK 73507 into your GPS device will direct you to the main visitor control center and entry checkpoint.
What should I bring when visiting Fort Sill as a family member?
Bring a valid photo ID, proof of insurance, and any appointment or escort documentation to streamline the entry process at the visitor center. Contractors should use 5520 E 38th St, Lawton, OK 73507 for deliveries and coordinate with the receiving office in advance to schedule unloading and storage.