Porayar Market B.O is the primary post office registered under PIN code 609307 in Mayiladuthurai, Tamil Nadu. This code sits within the Southern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Porayar Market B.O | BO | Branch Post Office |
| Porayar R.S. B.O | BO | Branch Post Office |
| Chandrapadi B.O | BO | Branch Post Office |
| Kaliyappanallur B.O | BO | Branch Post Office |
| Porayar S.O | SO | Sub Post Office |
| Erukkattanchery B.O | BO | Branch Post Office |
