N.Song B.O is the primary post office registered under PIN code 797101 in Peren, Nagaland. This code sits within the Eastern Postal Region, with 5 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| N.Song B.O | BO | Branch Post Office |
| Tening B.O | BO | Branch Post Office |
| Nchongram B.O | BO | Branch Post Office |
| Mbaulwa B.O | BO | Branch Post Office |
| Peren S.O | SO | Sub Post Office |
