Block 21 is a locality within Lodi Colony, East Delhi, Delhi. Block 21 has a pincode of 110003. Nearby localities of Block 21 include Block 21, Block 17, Jor Bagh, Block 18, Institutional Area, Block C 3, Block D, Meharchand Market, Block C 2, Jor Bagh Colony, Palika Niwas Colony, Block D 1, Jor Bhag Colony, Home Lodhi Colony, Block 19, Old Prem Nagar, Block M, Block 14, Block 16, Block 13, Block 20, Block 6, Block 12, Block 5, Gokalpuri, Lodhi Road Quarters