Mambra BO is the primary post office registered under PIN code 680308 in Thrissur, Kerala. This code sits within the Southern Postal Region, with 8 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Mambra BO | BO | Branch Post Office |
| CHERUVALUR BO | BO | Branch Post Office |
| Koratti SO | SO | Sub Post Office |
| Erayamkudi BO | BO | Branch Post Office |
| Koratti Kizhakkumuri BO | BO | Branch Post Office |
| Koratti South BO | BO | Branch Post Office |
| Kathikkudam BO | BO | Branch Post Office |
| Nalukettu BO | BO | Branch Post Office |
