Kilakunnupatti B.O is the primary post office registered under PIN code 621004 in Tiruchirappalli, Tamil Nadu. This code sits within the Southern Postal Region, with 5 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kilakunnupatti B.O | BO | Branch Post Office |
| Muthiyampalayam B.O | BO | Branch Post Office |
| Naduvalur B.O | BO | Branch Post Office |
| T.Sathanur B.O | BO | Branch Post Office |
| Kottathur S.O | SO | Sub Post Office |
