General Service Agency (GSA)
Hours of Operation
8:00am – 5:00pm (Monday – Friday)
Closed: Weekends and Holidays
Street Address
Surplus & Tenda:
148 Route 1 Marine Corps Drive
Piti, Guam 96915
Procurement & Administration:
590 South Marine Corps Drive.
ITC Building (2nd floor)
Tamuning, Guam 96913
Mailing Address
P.O. Box 7420
Tamuning, Guam 96931
Telephone
(671) 475-1729 Surplus
(671) 475-1721 & (671) 300-9199 Tenda
(671) 475-1712/3 Procurement
(671) 475-1705 Administration
Fax
(671) 300-6252 Surplus & Tenda
(671) 472-4217 Procurement