In Chennai district, Tamil Nadu, PIN code 600005 is anchored by Chepauk S.O, 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 |
|---|---|---|
| Chepauk S.O | SO | Sub Post Office |
| Madras University S.O | SO | Sub Post Office |
| Tiruvallikeni S.O | SO | Sub Post Office |
| Parthasarathykoil SO | SO | Sub Post Office |
