 It has the postcode BH2723.As a subdivision, Kampong Masin shares boundaries with Kampong Bebatik to the north and north-west, Kampong Kilanas and Kampong Bengkurong to the north-east, Kampong Sinarubai and Kampong Burong Lepas to the east, Kampong Junjongan to the south-east, Kampong Parit to the south and south-east, and Kampong Batong to the west.Masin Secondary School is located in this village; it is a government school which provides secondary education for students residing in the mukim of Pengkalan Batu.