PIN code 612303 belongs to Eraharam B.O (Branch Post Office), located in Thanjavur district, Tamil Nadu. It falls under the Southern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Eraharam B.O | BO | Branch Post Office |
| Innambur B.O | BO | Branch Post Office |
| Tirupirambiyam S.O | SO | Sub Post Office |
