Erayangadu B.O is the primary post office registered under PIN code 632104 in Vellore, Tamil Nadu. This code sits within the Southern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Erayangadu B.O | BO | Branch Post Office |
| Vallandramam B.O | BO | Branch Post Office |
| Kothamangalam B.O | BO | Branch Post Office |
| Marudhavallipalayam B.O | BO | Branch Post Office |
| Seduvalai B.O | BO | Branch Post Office |
| Virinjipuram S.O | SO | Sub Post Office |
