In Kollam district, Kerala, PIN code 691559 is anchored by Chithara SO, a Sub Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 4 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Chithara SO | SO | Sub Post Office |
| Mancodekadakkal BO | BO | Branch Post Office |
| Ayirakuzhy BO | BO | Branch Post Office |
| Valavupacha BO | BO | Branch Post Office |
