In Vellore district, Tamil Nadu, PIN code 635813 is anchored by Ulli B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 5 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Ulli B.O | BO | Branch Post Office |
| Sembedu B.O | BO | Branch Post Office |
| Valathoor S.O | SO | Sub Post Office |
| Chinnathottalam B.O | BO | Branch Post Office |
| Pogalur B.O | BO | Branch Post Office |
