In Kannur district, Kerala, PIN code 670643 is anchored by Kottayam Malabar BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 9 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kottayam Malabar BO | BO | Branch Post Office |
| VALIYAVELICHAM B.O | BO | Branch Post Office |
| Sankaranellur BO | BO | Branch Post Office |
| Mangattidam BO | BO | Branch Post Office |
| Pachapoika BO | BO | Branch Post Office |
| Ayithara Mambram BO | BO | Branch Post Office |
| Manantheri BO | BO | Branch Post Office |
| Mooriyad BO | BO | Branch Post Office |
| Kuthuparamba SO | SO | Sub Post Office |
