Sirumayankudi BO is the primary post office registered under PIN code 621706 in Tiruchirappalli, Tamil Nadu. This code sits within the Southern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Sirumayankudi BO | BO | Branch Post Office |
| Mettupatti BO | BO | Branch Post Office |
| Mullal BO | BO | Branch Post Office |
| Thinniam BO | BO | Branch Post Office |
| Sembarai BO | BO | Branch Post Office |
| Kattur Puvalur SO | SO | Sub Post Office |
