Chennakunnu BO is the primary post office registered under PIN code 686506 in Kottayam, Kerala. This code sits within the Southern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Chennakunnu BO | BO | Branch Post Office |
| Mannarakayam BO | BO | Branch Post Office |
| Ponkunnam SO | SO | Sub Post Office |
| Nariyanani BO | BO | Branch Post Office |
| Thampalakkad BO | BO | Branch Post Office |
| Kanjirapally West BO | BO | Branch Post Office |
| Ponkunnam Court BO | BO | Branch Post Office |
