In Kannur district, Kerala, PIN code 670001 is anchored by Kannur HO, a Head Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kannur HO | HO | Head Post Office |
| Kannur Railway Station SO | SO | Sub Post Office |
| Payyambalam SO | SO | Sub Post Office |
