Kottaiyur BO is the primary post office registered under PIN code 626149 in Virudhunagar, Tamil Nadu. This code sits within the Southern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kottaiyur BO | BO | Branch Post Office |
| Thailapuram BO | BO | Branch Post Office |
| Ilandaikulam BO | BO | Branch Post Office |
| Kadaneri BO | BO | Branch Post Office |
| Karisalkulam BO | BO | Branch Post Office |
| Maharajapuram SO | SO | Sub Post Office |
