Ganaura BO is the primary post office registered under PIN code 852133 in Supaul, Bihar. This code sits within the Eastern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Ganaura BO | BO | Branch Post Office |
| Kamrail BO | BO | Branch Post Office |
| Khorma BO | BO | Branch Post Office |
| Baskhora BO | BO | Branch Post Office |
| Janardanpur SO | SO | Sub Post Office |
| Ganeshpur BO | BO | Branch Post Office |
| Marauna BO | BO | Branch Post Office |
