Sonaipam B.O is the primary post office registered under PIN code 784102 in Sonitpur, Assam. This code sits within the Eastern Postal Region, with 2 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Sonaipam B.O | BO | Branch Post Office |
| Lokra S.O | SO | Sub Post Office |
