Kalkalighat B.O is the primary post office registered under PIN code 788725 in Karimganj, Assam. This code sits within the Eastern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kalkalighat B.O | BO | Branch Post Office |
| Medley B.O | BO | Branch Post Office |
| Basantinagar B.O | BO | Branch Post Office |
| Tilbhum B.O | BO | Branch Post Office |
| Kathaltoli Bazar B.O | BO | Branch Post Office |
| Puthini B.O | BO | Branch Post Office |
| Chandkhira S.O | SO | Sub Post Office |
