1st Block is a locality within Jayanagar, Bengaluru South Zone, Bengaluru. 1st Block has a pincode of 560011. Nearby localities of 1st Block include 1st Block, Sudhama Nagar, Someshwara Nagar, Jaya Nagar 1st Block, 2nd Block, Bairasandra Extension, Jayanagar 3rd Block, Gulbarga Colony, LIC Colony, Sakamma Garden, 4th T Block East, Tilak Nagar, Marenahalli, 8th Block, Teachers Colony, Jaya Nagar East, Byrasandra, Jayanagar 4th Block East, Jayanagar 3rd Block East, CHCS Layout, Geetha Colony, Jayanagar 6th Block, 4th Block, Pattabhirama Nagar, Tata Silk Farm, 7th Block, 5th Block, Jayanagara 9th Block