18 PIN codes
| PIN code | Post offices | Taluk / tehsil |
|---|---|---|
| 612901 | Kuruvalapparkoil Bo | – |
| 612902 | Anaikudam Bo, Devamangalam Bo, Udayanatham Bo | – |
| 612903 | Kattagaram Bo | – |
| 621701 | Kasankottai Bo, Sathambadi Bo, Sundakudi Bo and 1 more | – |
| 621704 | Kavanur Bo | – |
| 621707 | Arungal Bo, Suthamalli Bo | – |
| 621709 | Manapathur Bo | – |
| 621710 | Kuvagam Bo, Marudur Bo, Pkudikadu Bo and 1 more | – |
| 621713 | Annanagar Bo, Govindapuram Bo | – |
| 621714 | Elangaicheri Bo | – |
| 621715 | Sullangudi Bo | – |
| 621801 | Pattanamkurichi Bo | – |
| 621802 | Chinnavalayam Bo, Kilakudiyiruppu Bo | – |
| 621803 | Kattathur Bo | – |
| 621804 | Kumiliam Bo, Tsolankurichi Bo | – |
| 621805 | Kilaneduvoi Bo | – |
| 621806 | Pilakurichi Bo | – |
| 621851 | Koilesanai Bo | – |