Block 21 B is a neighbourhood within Karol Bagh, Central Delhi, Delhi. Block 21 B has a pincode of 110005. Nearby localities of Block 21 B include Block 21 B, Block 18B, Block 22 B, Block 24 B, Block 10B, Block 14 B, Block 53, Block 16B, Block 26 B, Christian Colony, Block 17 B, Block 13B, Block 67, Block 32, Block 20C, Block 45, Block 11B, Block 21K, Block 69B, Regar Pura, Block 46, Block Number 6, Block 35M, Block 69D, Mata Rameshwari Nehru Nagar, Block 63, Block 5A, Block 10A, Block 13B, Block 12A, Block 26I, Block 39E, Block 16, Naiwala, Shree Ramphal Gupta Chowk, Block 59, Block 52, Block 26 B, Block 56, Block 44Q, Bapa Nagar, Block 17, Block 17 A, Maharshi Balmiki chowk, Block 66A, Block 18, Prasad Nagar, Jhandewalan, Ratawal Chowk, Block 60, Block 33, Dev Nagar Chowk, Block 3B, WEA, Block 17A, Veer Chand Singh Garhwali Chowk, Block 14B, Balmiki Colony, Block 9A, Sando chowk, Block 51, Dev Nagar, Block 27F, Block 28C, Block 14A, Block 8A, Block E 1, Chhappar Wala Chowk, Doriwalan Chowk, Channa Market, Hathi Wala Chowk, Dori Walan, Sat Nagar, Block 11A, Block 10, Block 18 A, Jhandewalan Extension, Faiz Chowk, Block 23 B, Block 25B, Block 65, Block 12B, Block19C, Block Number 2, Beadonpura, Block 57, Block 25A, Block 2A, Block 6A, Block 15A, Block 3A, Block 7, Kikar Wala Chowk, Block 25B, Block 5C, Block 27B, Block 29, Block 47, Sidipura, Block 16A, Chaudhary Ganga Das Chowk, Block 20 B, Block 61, Block 13A