In Banka district, Bihar, PIN code 813110 is anchored by Raugaon BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 7 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Raugaon BO | BO | Branch Post Office |
| Panjwara SO | SO | Sub Post Office |
| Ahiro BO | BO | Branch Post Office |
| Chalna BO | BO | Branch Post Office |
| Motanga BO | BO | Branch Post Office |
| Pair BO | BO | Branch Post Office |
| Sadpur BO | BO | Branch Post Office |
