Biswanathghat S.O is the primary post office registered under PIN code 784177 in Biswanath, Assam. This code sits within the Eastern Postal Region, with 2 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Biswanathghat S.O | SO | Sub Post Office |
| Solemari No.1 B.O | BO | Branch Post Office |
