Sector 12B is a locality within Koparkhairane, Navi Mumbai, East Zone, Mumbai. Sector 12B has a pincode of 400709. Nearby localities of Sector 12B include Sector 12B, Sector 10, Sector 12A, Sector 12 D, Sector 13, Sector 9, Bonkode Village, Sector 8, Sector 7, Kalash Udyan, Sector 12, Sector 12C, Bonkode, Sector 11 K, Sector 9, Sector 15, Khairna Village, Sector 5, Sector 14, Sector 6, Sector 1, Sector 18, Sector 16, Dhirubhai Ambani Knowledge City, Sector 3, Sector 4, Sector 17, Sector 4A, Shree Ganesh Panchami Society, Sector 23, Sector 19, Gaothan, Sector 19/C, Sector 22, Sector 1, Sector 2, Sector 19A, Sector 1A, Sector 20, Sector 2A, MIDC Industrial Area, Sector 1, Millenium Business Park, MIDC Industrial Area, Sector 3