Sector 21 is a neighbourhood within Rohini, West Delhi, Delhi. Sector 21 has a pincode of 110086. Nearby localities of Sector 21 include Sector 21, Pocket 5, Sector 20, Pocket 4, Sector 22, Pooth Kalan, Begampur Extension, Begampur, Sector 23, Rajiv Nagar, Sector 33, Rama Vihar, Block R, Pocket 9, Begam Vihar, Rama Vihar, Block F, Sector 38, Sector 39, Pocket 8, Deep Vihar, Jain Nagar, Rama Vihar, Sector 24, Sukhbeer Nagar, Sector 4, Sector 1, Lal Dora, Vijay Vihar, Gopal Vihar, Sector 32, Pocket 1, Rajiv Nagar Extension, Avantika, Pocket 6, Prahlad Vihar, Rithala, Sector 25, Sector 37, Sector 3, Sector 31, Sector 2, Prahladpur Bangar, Prahladpur, Sector 3B, Sector 36, Sector 11, Sector 3, Shahbad Dairy, Naharpur Village, Sector 7, Pocket D-12, Sector 35, Barwala, Sector 9, Sector 8, Sector 28, Sector 8D, Sector 29, Sector 27, Sector 16, Sector 13, Prashant Vihar, MCD Slum Colony, Sector 34, Badli