In Kannur district, Kerala, PIN code 670142 is anchored by Koyyam 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 |
|---|---|---|
| Koyyam BO | BO | Branch Post Office |
| Kurumathur BO | BO | Branch Post Office |
| Kuttiyeri BO | BO | Branch Post Office |
| Chuzhali BO | BO | Branch Post Office |
| Panniyur BO | BO | Branch Post Office |
| Muyyam BO | BO | Branch Post Office |
| Karimbam SO | SO | Sub Post Office |
| Pallivayal BO | BO | Branch Post Office |
| Kanhirangad BO | BO | Branch Post Office |
