Delhi belongs to the Postal Zone 1 of India. And the state having a total of 95 PIN codes and 545 post offices, out of which 12 head post offices, 385 sub-post offices, 3 branch post office (direct) and 145 branch posts offices. All PIN code in the postal zone start with zone code 1, where PIN code of Delhi starts with the prefix 11. Delhi has 1 GPO.
GPO Details: Delhi G.P.O Delhi, Dist. - North Delhi Delhi, India, Pin - 110006 Phone - 011-23869771
District wise Pin code directory lists of Delhi. Search for the pin code of all post offices in each district in Delhi, India.