PIN code 603102 belongs to Manamai BO (Branch Post Office), located in Chengalpattu district, Tamil Nadu. It falls under the Southern Postal Region and is served by 11 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Manamai BO | BO | Branch Post Office |
| Melperumalcheri BO | BO | Branch Post Office |
| Pattaraikalani BO | BO | Branch Post Office |
| Suradimangalam BO | BO | Branch Post Office |
| Vittilapuram BO | BO | Branch Post Office |
| Pudupattinam Colony SO | SO | Sub Post Office |
| Kalpakkam SO | SO | Sub Post Office |
| Ayapakkam BO | BO | Branch Post Office |
| Vazhuvadur BO | BO | Branch Post Office |
| Vengapakkam BO | BO | Branch Post Office |
| Vayalur BO | BO | Branch Post Office |
