Harpur Mahmada BO is the primary post office registered under PIN code 848125 in Samastipur, Bihar. This code sits within the Eastern Postal Region, with 14 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Harpur Mahmada BO | BO | Branch Post Office |
| Hatha BO | BO | Branch Post Office |
| Malinagar BO | BO | Branch Post Office |
| Saidpur BO | BO | Branch Post Office |
| Harpur Pusa BO | BO | Branch Post Office |
| Kalaunjar BO | BO | Branch Post Office |
| Sakrichandpusa BO | BO | Branch Post Office |
| Somnaha Mirzanagar BO | BO | Branch Post Office |
| Dhobgama BO | BO | Branch Post Office |
| Hajpurwa Karua BO | BO | Branch Post Office |
| Namapur BO | BO | Branch Post Office |
| Sormar Baghla BO | BO | Branch Post Office |
| Pusa SO | SO | Sub Post Office |
| Balhajainarain BO | BO | Branch Post Office |
