In Kannur district, Kerala, PIN code 670307 is anchored by Annur BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 14 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Annur BO | BO | Branch Post Office |
| Payyanur RS BO | BO | Branch Post Office |
| Vellur BO | BO | Branch Post Office |
| Kanayi BO | BO | Branch Post Office |
| Kandankali BO | BO | Branch Post Office |
| Kavvayi BO | BO | Branch Post Office |
| Korom BO | BO | Branch Post Office |
| Payyanur SO | SO | Sub Post Office |
| Chalakkod BO | BO | Branch Post Office |
| Kandoth BO | BO | Branch Post Office |
| Kokkanisseri SO | SO | Sub Post Office |
| Eramam Desom BO | BO | Branch Post Office |
| Kankol BO | BO | Branch Post Office |
| Mathil BO | BO | Branch Post Office |
