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, Sangliyana Layout, Brindavan Avenue Layout, Karegowdru Layout, Govindappa Layout, Chinnaswamappa Layout, MSR Layout, Munireddy Layout, Jayanti Nagar, SLV Layout, Bethel Layout, Kallumantapa, Vinayaka Layout, Vijaya Bank Colony, Anjanappa Layout, Bank Avenue Colony, 2nd Block, Asheervad Colony, Sri Sai Residency Layout, Babusapalya, Horamavu Post, Vijaya Bank Colony Extension, New Rajanna Layout, Saravana Layout phase 2, Chikka Pullappa Layout, Amar Regency Layout, Nisarga Colony, Samrudhi Layout, Coconut Grove Layout, Nanjappa Garden, Horamavu Banaswadi, M Vishveshvaraiah Nagar, Pillappa Layout, Chikka Nanjunda Reddy Layout, Raghavendra Nagar, B.Y. Narayana Reddy Layout, Nandanam Colony, Papaiah Layout, Spandana Layout, Abiaru Banjara Layout, Banjara Layout