Pin code 173217
6 post offices in Solan, Himachal Pradesh use pin code 173217.
3 post offices in Shimla, Himachal Pradesh use pin code 173217.
What 173217 tells you
The first digit, 1, is the postal zone. The first two digits, 17, are the postal circle. The first three, 173, are the sorting district, and 217 identifies the delivery office.