Pin code 491223
7 post offices in Durg, Chhattisgarh use pin code 491223.
10 post offices in Balod, Chhattisgarh use pin code 491223.
What 491223 tells you
The first digit, 4, is the postal zone. The first two digits, 49, are the postal circle. The first three, 491, are the sorting district, and 223 identifies the delivery office.