Dilarpur BO is the primary post office registered under PIN code 854113 in Katihar, Bihar. This code sits within the Eastern Postal Region, with 11 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Dilarpur BO | BO | Branch Post Office |
| Kantakosh BO | BO | Branch Post Office |
| M NAWABGANJ BO | BO | Branch Post Office |
| Narayanpur BO | BO | Branch Post Office |
| RNBOULIA BO | BO | Branch Post Office |
| MUJWAR BO | BO | Branch Post Office |
| Hemkunj BO | BO | Branch Post Office |
| BNDIARA BO | BO | Branch Post Office |
| Manihari SO | SO | Sub Post Office |
| Madarichak BO | BO | Branch Post Office |
| TM Baghar BO | BO | Branch Post Office |
