Anandavadi BO is the primary post office registered under PIN code 621718 in Ariyalur, Tamil Nadu. This code sits within the Southern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Anandavadi BO | BO | Branch Post Office |
| Iluppaiyur BO | BO | Branch Post Office |
| Sennivanam BO | BO | Branch Post Office |
| Vellur BO | BO | Branch Post Office |
| Rayambaram SO | SO | Sub Post Office |
| Pottaveli BO | BO | Branch Post Office |
| Poyyadhanallur BO | BO | Branch Post Office |
