Karur B.O is the primary post office registered under PIN code 524401 in Tirupati, Andhra Pradesh. This code sits within the Southern Postal Region, with 4 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Karur B.O | BO | Branch Post Office |
| Irakam B.O | BO | Branch Post Office |
| Ramapuram B.O | BO | Branch Post Office |
| Tada S.O | SO | Sub Post Office |
