Ambalamedu SO is the primary post office registered under PIN code 682303 in Ernakulam, Kerala. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Ambalamedu SO | SO | Sub Post Office |
| Brahmapuram BO | BO | Branch Post Office |
| Karimugal BO | BO | Branch Post Office |
