Auria BO is the primary post office registered under PIN code 813103 in Banka, Bihar. This code sits within the Eastern Postal Region, with 17 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Auria BO | BO | Branch Post Office |
| Balia Mahra BO | BO | Branch Post Office |
| Kajhia BO | BO | Branch Post Office |
| Sondiha Dharmdiha BO | BO | Branch Post Office |
| Chatrapal | OTHER | post office |
| Dhakamor BO | BO | Branch Post Office |
| Kakwara BO | BO | Branch Post Office |
| KHARHARA BO | BO | Branch Post Office |
| Lakhpura BO | BO | Branch Post Office |
| BARHUNA BO | BO | Branch Post Office |
| Telia BO | BO | Branch Post Office |
| Jagatpur BO | BO | Branch Post Office |
| Khojhi BO | BO | Branch Post Office |
| Narayanpur BO | BO | Branch Post Office |
| Sondiha Babhangama BO | BO | Branch Post Office |
| Basmatta BO | BO | Branch Post Office |
| Barahat SO | SO | Sub Post Office |
