Sundaikkai B.O is the primary post office registered under PIN code 621202 in Tiruchirappalli, Tamil Nadu. This code sits within the Southern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Sundaikkai B.O | BO | Branch Post Office |
| Veeramanipatti B.O | BO | Branch Post Office |
| Chinnakodunthurai B.O | BO | Branch Post Office |
| Evur B.O | BO | Branch Post Office |
| Thinnakonam B.O | BO | Branch Post Office |
| Velur ayyampalayam B.O | BO | Branch Post Office |
| Ayyampalayam S.O | SO | Sub Post Office |
