In Tiruvannamalai district, Tamil Nadu, PIN code 632312 is anchored by Kattukanur SO, a Sub Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 4 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kattukanur SO | SO | Sub Post Office |
| Kilarasampattu BO | BO | Branch Post Office |
| Kattazhambattu BO | BO | Branch Post Office |
| Nanjukondapuram BO | BO | Branch Post Office |
