In Perambalur district, Tamil Nadu, PIN code 621212 is anchored by Madanagopalapuram S.O, a Sub Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Madanagopalapuram S.O | SO | Sub Post Office |
| Perambalur Collectorate S.O | SO | Sub Post Office |
| Perambalur H.O | HO | Head Post Office |
