In Kollam district, Kerala, PIN code 691520 is anchored by Ummannur 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 |
|---|---|---|
| Ummannur BO | BO | Branch Post Office |
| Cheppara SO | SO | Sub Post Office |
| Valiyode BO | BO | Branch Post Office |
