In Kasaragod district, Kerala, PIN code 671531 is anchored by Balla BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 16 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Balla BO | BO | Branch Post Office |
| Kodoth BO | BO | Branch Post Office |
| Thayanoor BO | BO | Branch Post Office |
| Achikanam BO | BO | Branch Post Office |
| Ajanur BO | BO | Branch Post Office |
| Attenganam BO | BO | Branch Post Office |
| Iriya BO | BO | Branch Post Office |
| Kanhangad South BO | BO | Branch Post Office |
| Kanhirapoil BO | BO | Branch Post Office |
| Haripuram BO | BO | Branch Post Office |
| Pullur BO | BO | Branch Post Office |
| Anandashrama SO | SO | Sub Post Office |
| Padimaruth BO | BO | Branch Post Office |
| Kanhiradkom BO | BO | Branch Post Office |
| Kolavayal BO | BO | Branch Post Office |
| Paraklayi BO | BO | Branch Post Office |
