Ammaiyandi B.O is the primary post office registered under PIN code 614623 in Thanjavur, Tamil Nadu. This code sits within the Southern Postal Region, with 4 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Ammaiyandi B.O | BO | Branch Post Office |
| Enathikarambai B.O | BO | Branch Post Office |
| Paingal B.O | BO | Branch Post Office |
| Avanam S.O | SO | Sub Post Office |
