Mannalur BO is the primary post office registered under PIN code 678502 in Palakkad, Kerala. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Mannalur BO | BO | Branch Post Office |
| Vemballur BO | BO | Branch Post Office |
| Ettanur SO | SO | Sub Post Office |
