NAS Patuxent River, MD - Citizenship and Immigration Services

    U.S. Citizenship & Naturalization Services - Baltimore District Office


    U.S. Citizenship & Naturalization Services - Baltimore District Office is located at 31 Hopkins Place, Fallon Federal Bldg., Baltimore, MD 21201. U.S. Citizenship & Naturalization Services - Baltimore District Office can be reached by their main phone number at (410) 767-7514. Alternatively, you can reach U.S. Citizenship & Naturalization Services - Baltimore District Office by phone at (800) 375-5283.