173220 is the PIN Code of Parwanoo, which is located in Solan district, Himachal Pradesh state.
Parwanoo Post Office is located at Parwanoo, Solan of HIMACHAL PRADESH state. It is a Sub Post Office. A Post Office (PO) / Dak Ghar is a facility in charge of sorting, processing, and delivering mail to recipients. POs are usually regulated and funded by the Government of India (GOI). Pin code of Parwanoo PO is 173220. This Postoffice falls under Solan postal division of the Himachal Pradesh postal circle.