In Kozhikode district, Kerala, PIN code 673631 is anchored by Perumukham BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 4 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Perumukham BO | BO | Branch Post Office |
| Feroke Pettah SO | SO | Sub Post Office |
| Karuvanthuruthy BO | BO | Branch Post Office |
| Feroke SO | SO | Sub Post Office |
