Fleet and Family Support Center - Relocation Assistance Program is located at NS Mayport Building 1 - Massey Avenue, Jacksonville, FL 32228. Fleet and Family Support Center - Relocation Assistance Program can be reached by their main phone number at (904) 270-6600. Alternatively, you can reach Fleet and Family Support Center - Relocation Assistance Program by phone at (904) 270-3364. You can also reach Fleet and Family Support Center - Relocation Assistance Program by phone at (904) 270-5094. The listed DSN line is 312-270-6600. Visit the Fleet and Family Support Center - Relocation Assistance Program website by clicking here.