The Gateway Inn near Joint Base San Antonio (JBSA) - Lackland can be reached by phone, email and standard mail. There are three main sets of phone numbers to reach the Gateway Inn: 210-675-0798, 210-671-4277 ext. 0047 and 210-671-2556 ext. 3622, as of 2015.
The Inn is also reachable by two sets of DSN connections: 473-4277 ext. 3622 and 473-0047 ext. 2556. The email address to reach the Gateway Inn at JBSA - Lackland is email@example.com.
For those wishing to contact the Gateway Inn by mail or to send packages, the mailing address is JBSA - Lackland, 1750 Femoyer St., San Antonio, Texas, 78236-5000. Although the Gateway Inn is operated by the Air Force, it houses Navy personnel for JBSA, as well.