In Kollam district, Kerala, PIN code 691577 is anchored by Alumoodu BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Alumoodu BO | BO | Branch Post Office |
| Decent Jn BO | BO | Branch Post Office |
| Mukathala SO | SO | Sub Post Office |
