Thoopul S.O is the primary post office registered under PIN code 631501 in Kanchipuram, Tamil Nadu. This code sits within the Southern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Thoopul S.O | SO | Sub Post Office |
| Kanchipuram Collectorate S.O | SO | Sub Post Office |
| Pillayarpalayam S.O | SO | Sub Post Office |
| Kanchipuram Cutchery S.O | SO | Sub Post Office |
| Little Kanchipuram S.O | SO | Sub Post Office |
| Kanchipuram H.O | HO | Head Post Office |
