Gudiyattam H.O is the primary post office registered under PIN code 632602 in Vellore, Tamil Nadu. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Gudiyattam H.O | HO | Head Post Office |
| Gudiyattam South S.O | SO | Sub Post Office |
| Bhuvaneswaripet B.O | BO | Branch Post Office |
