Installation Guide 2026

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Joint Region Marianas – Naval Base Guam

Joint Region Marianas was established in 2009 as the U.S. Navy and U.S. Air Force on Guam combined headquarters at Nimitz Hill. Today, under Joint Region Marianas, U.S. Naval Base Guam and Andersen Air Force base each maintain commanding officers who oversee their respective missions.

Contact Information
Website

Address:

PSC 455, Box 157 FPO, AP 96540-1157

Main:

671-333-2056

Other:

671-333-2057
Find on Google Maps

Programs & Services

  • Information and Referral Services
    Address
    Naval Base Guam, Bldg. 106 Santa Rita, GU 96915
    Map
    Website
    Phone

    Main:

    671-333-2056

    Info:

    671-333-2057
    Hours

    Mon – Fri 7:30 a.m. – 4:30 p.m.
    Closed Sat, Sun & Holidays

  • Information and Referral Services
    Address
    PSC 455, Box 157 FPO, AP 96540-1157
    Map
    Website
    Phone

    Main:

    671-333-2056

    Info:

    671-333-2057
    Hours

    Mon – Fri 7:30 a.m. – 4:30 p.m.
    Closed Sat, Sun & Holidays

  • Legal Services/JAG
    Address
    PSC 455 Box 177 FPO, AP 96540-2400
    Map
    Website
    Phone

    Main:

    671-333-2061

    Info:

    671-333-2062
    Hours

    Mon-Thu 8:00 a.m. – 3:30 p.m.
    Fri 8:00 a.m. – 12:30 p.m.
    Walk-in notary service 8:00 a.m. – 12:30 p.m., all other services by appointment only.
    Closed weekends and holiday
    Closed first Friday of every month

  • Library
    Address
    Naval Base Guam, Bldg. SB1 Santa Rita, GU 96915
    Map
    Website
    Phone

    Main:

    671-564-1836
    Hours

    Monday-Friday: 10 a.m. – 5 p.m.
    Weekends and Holidays: Closed

  • Library
    Address
    PSC 455 Box 169 FPO, AP 96540-1099
    Map
    Website
    Phone

    Main:

    671-564-1836
    Hours

    Monday-Friday: 10 a.m. – 5 p.m.
    Weekends and Holidays: Closed

  • Loan Closet
    Address
    Relocation Services – Loaner Closet Naval Base Guam, Bldg. 106 Naval Base Guam, GU 96540-1157
    Map
    Website
    Phone

    Main:

    671-333-2056

    Info:

    671-333-2057
    Hours

    Mon – Fri 7:30 a.m.-4:30 p.m.
    Closed Sat and Sun & Holidays

  • Loan Closet
    Address
    PSC 455, Box 157 FPO, AP
    Map
    Website
    Phone

    Main:

    671-333-2056

    Info:

    671-333-2057
    Hours

    Mon – Fri 7:30 a.m.-4:30 p.m.
    Closed Sat and Sun & Holidays

  • Military and Family Support Center
    Address
    Naval Base Guam, Bldg 106 Santa Rita, GU 96915
    Map
    Website
    Phone

    Main:

    671-333-2056

    Info:

    671-333-2057
    Hours

    Mon – Fri 7:30 a.m.-4:30 p.m.
    Sat and Sun – Closed
    Holidays – Closed

  • Military and Family Support Center
    Address
    Naval Base Guam, Bldg 106 PSC 455 Box 157 FPO, AP 96540-1157
    Map
    Website
    Phone

    Main:

    671-333-2056

    Info:

    671-333-2057
    Hours

    Mon – Fri 7:30 a.m.-4:30 p.m.
    Sat and Sun – Closed
    Holidays – Closed

  • Military Clothing Sales
    Address
    Navy Exchange Guam Bldg. 258, Navy Exchange Road Santa Rita, GU 96915
    Map
    Website
    Phone

    Main:

    671-564-3193
    Hours

    Mon – Sat 9:00 a.m. – 8:00 p.m.
    Sun 9:00 a.m. – 7:00 p.m.

  • Military Clothing Sales
    Address
    PSC 455 Box 178 FPO, AP 96540-1000
    Map
    Website
    Phone

    Main:

    671-564-3193
    Hours

    Mon – Sat 9:00 a.m. – 8:00 p.m.
    Sun 9:00 a.m. – 7:00 p.m.

  • MWR (Morale Welfare and Recreation)
    Address
    Naval Base Guam, Bldg. Barracks 5 Santa Rita, GU 96915
    Map
    Website
    Phone

    Main:

    671-339-3494
    Hours

    Mon-Fri 7:30 a.m. – 4:30 p.m.
    Closed: Sat, Sun & Holidays