Madipakkam S.O is the primary post office registered under PIN code 600091 in Chennai, Tamil Nadu. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Madipakkam S.O | SO | Sub Post Office |
| Madipakkam South S.O | SO | Sub Post Office |
| Ram Nagar | OTHER | post office |
