In Karaikal district, Puducherry, PIN code 609605 is anchored by Karaikoilpathu B.O, 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 |
|---|---|---|
| Karaikoilpathu B.O | BO | Branch Post Office |
| Karaikalmedu B.O | BO | Branch Post Office |
| Thalatheru S.O | SO | Sub Post Office |
