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Navy
Massey Avenue
Building 1
Mayport, FL 32228
904-270-5401
904-270-5402
312-270-5401
Browse or search for contact information. Be sure to follow the Defense Service Network, or DSN guidelines.
The DSN provides the long-distance communications service for the Department of Defense. Every installation has a special DSN number, and the numbers vary by world-wide location.
Tips on placing a call using DSN:
Afloat Training Group Mayport (ATG)
Command: Afloat Training Group Mayport (ATG)
904-270-6344
Branch Medical Clinic (BMC)
Command: Branch Medical Clinic (BMC)
904-270-4303
Coast Guard Sector Jacksonville
Command: Coast Guard Sector Jacksonville
904-270-5325
Commander Destroyer Squadron Four Zero (CDS 40)
Command: Commander Destroyer Squadron Four Zero (CDS 40)
904-270-5173
Commander U.S. Fourth Fleet (C4F)
Command: Commander U.S. Fourth Fleet (C4F)
904-270-7354
Commander, Naval Surface Squadron Fourteen (CNSS 14)
Command: Commander, Naval Surface Squadron Fourteen (CNSS 14)
904-270-6901
Fleet Readiness Center Southeast (FRCSE) Detachment Mayport
Command: Fleet Readiness Center Southeast (FRCSE) Detachment Mayport
904-270-6100
Helicopter Maritime Strike Wing Four Eight (HSM 48)
Command: Helicopter Maritime Strike Wing Four Eight (HSM 48)
904-270-6810
Helicopter Maritime Strike Wing Four Zero (HSM 40)
Command: Helicopter Maritime Strike Wing Four Zero (HSM 40)
904-270-6332