Athichanallur B.O is the primary post office registered under PIN code 628621 in Tuticorin, Tamil Nadu. This code sits within the Southern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Athichanallur B.O | BO | Branch Post Office |
| Puthukudi S.O | SO | Sub Post Office |
| Ariyanayagipuram B.O | BO | Branch Post Office |
| Athalikulam B.O | BO | Branch Post Office |
| Sriparangusanallur B.O | BO | Branch Post Office |
| Tirupuliyangudi B.O | BO | Branch Post Office |
| Velur B.O | BO | Branch Post Office |
