19 PIN codes
| PIN code | Post offices | Taluk / tehsil |
|---|---|---|
| 600069 | Sirukalathur Bo | – |
| 600132 | Tiruneermalai Bo | – |
| 602105 | Pattunoolchatram S.O, Thodukadu B.O | – |
| 602108 | Kandoor B.O, Maduramangalam B.O | – |
| 603106 | Orakattupettai So, Tiruvanaikoil Bo | – |
| 603107 | Kilakadi Bo | – |
| 603202 | Madambakkam Bo | – |
| 603402 | Alisoor B.O | – |
| 603403 | R.N.Kandigai B.O | – |
| 603406 | Kammalampoondi B.O, Tittalam B.O | – |
| 631501 | Thoopul S.O | – |
| 631502 | Orikkai B.O, Sevilimedu B.O | – |
| 631553 | Pichivakkam B.O | – |
| 631561 | Singadivakkam B.O, Vaiyavur B.O | – |
| 631601 | Thenambakkam B.O | – |
| 631603 | Puthali B.O | – |
| 631604 | Varanavasi B.O | – |
| 631605 | Nathanallur B.O | – |
| 631606 | Madhur B.O, Ullavur B.O | – |