Important national Abbreviations start N.

N.I.M.C. -National Institute of Mass Communication.
N.L.F.A. -National Liberation Fronts of Angola.
N.A.T.O. -North Atlantic Treaty Organisation.
N.S.C.B. -National Sports Control Board.
N.F.P.B. -National Family Planning Board.
N.C.C.B. -National Council of Churches of Bangladesh.
N.A.S.S. -National Association of Social Science.
N.C.N.A. -New China News Agency
N.C.S.T. -National Council for Science and Technology.
N.A.S.A. -National Aeronautics and Space Administration.