1st Block Extension is a locality within Horamavu, Bengaluru North Zone, Bengaluru. 1st Block Extension has a pincode of 560043. Nearby localities of 1st Block Extension include 1st Block Extension, Doddaiah Layout, Esther Enclave Layout, Riches Regal Layout, KNSS colony, Brindavan Layout, Ashirvad Colony, Karegowdru Layout, Govindappa Layout, Chinnaswamappa Layout, MSR Layout, Munireddy Layout, Jayanti Nagar, SLV Layout, Bethel Layout, Kallumantapa, Vinayaka Layout, Vijaya Bank Colony, Bank Avenue Colony, 2nd Block, Babusapalya, Horamavu Post, Vijaya Bank Colony Extension, New Rajanna Layout, Saravana Layout phase 2, Chikka Pullappa Layout, Amar Regency Layout, Samrudhi Layout, Coconut Grove Layout, Nanjappa Garden, Horamavu Banaswadi, M Vishveshvaraiah Nagar, Chikka Nanjunda Reddy Layout, Raghavendra Nagar, B.Y. Narayana Reddy Layout, Nandanam Colony, Papaiah Layout, Spandana Layout, Abiaru Banjara Layout