PIN code 613401 belongs to Tirumalaisamudram East S.O (Sub 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 |
|---|---|---|
| Tirumalaisamudram East S.O | SO | Sub Post Office |
| Tirumalaisamudram B.O | BO | Branch Post Office |
| Vallam Pudur B.O | BO | Branch Post Office |
