In Kollam district, Kerala, PIN code 691508 is anchored by Avaneeswaram 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 |
|---|---|---|
| Avaneeswaram BO | BO | Branch Post Office |
| Manjakala BO | BO | Branch Post Office |
| Ambalathinnirappu BO | BO | Branch Post Office |
| Avaneeswaram RS BO | BO | Branch Post Office |
| Thalavoor BO | BO | Branch Post Office |
| Kunnicode SO | SO | Sub Post Office |
| Melila BO | BO | Branch Post Office |
| Vilakudy BO | BO | Branch Post Office |
| Chakkuvarakkal BO | BO | Branch Post Office |
