PIN code 600048 belongs to Mannivakkam BO (Branch Post Office), located in Chengalpattu district, Tamil Nadu. It falls under the Southern Postal Region and is served by 4 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Mannivakkam BO | BO | Branch Post Office |
| Vandalur SO | SO | Sub Post Office |
| Otteri Extension BO | BO | Branch Post Office |
| Mudichur SO | SO | Sub Post Office |
