In Kollam district, Kerala, PIN code 691004 is anchored by Kilikollur SO, a Sub Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 2 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kilikollur SO | SO | Sub Post Office |
| Kallumthazham BO | BO | Branch Post Office |
