The pin code of Kalwari, Unnao, Uttar pradesh is 209869. The post office Kalwari is located in the district Unnao, Uttar pradesh. The first two digit of pin code denotes 20, which is listed in Uttar pradesh.
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What is Pin Code?
The Postal Index Number (PIN) or PIN Code is a 6 digit code of Post Office numbering used by India Post. The PIN was introduced on August 15, 1972. The PINcode is 6 digits long. First digit reflects region, second the sub-region, third the sorting district, and last three represent the post office code.