| Place | Post Code |
|---|---|
| Kumiliankuzhi, Udayarpalayam | 608901 |
| Kumunanthurai, Udayarpalayam | 621701 |
| Kunamangalam, Udayarpalayam | 621701 |
| Kundaveli, Udayarpalayam | 612903 |
| Kunjuveli, Udayarpalayam | 621701 |
| Kurichi, Udayarpalayam | 612904 |
| Kuriyampatti, Udayarpalayam | 621806 |
| Kuruvalapparkoil, Udayarpalayam | 612901 |
| Kuttakarai, Udayarpalayam | 612903, 608901 |
| Kuvagam, Udayarpalayam | 621710 |
| Kuvagam Rf, Udayarpalayam | 621710 |
| Kuyavankuppam, Udayarpalayam | 612901 |
| Kuzhathukuppam, Udayarpalayam | 612904 |
| Kv Nallur, Udayarpalayam | 612903 |
| Madanathur Rf, Udayarpalayam | 612904 |
| Madhapuram, Udayarpalayam | 621803 |
| Mahimaipuram, Udayarpalayam | 621802 |
| Mala Kottai, Udayarpalayam | 621804 |
| Malavalli, Udayarpalayam | 621806 |
| Malavarayanallur, Udayarpalayam | 621701 |
| Maligaimodu, Udayarpalayam | 612905 |
| Managethi, Udayarpalayam | 621804 |
| Managethi Rf, Udayarpalayam | 621804 |
| Manakarai, Udayarpalayam | 621802 |
| Manakollai, Udayarpalayam | 608901 |
| Manalam Kaduvetti, Udayarpalayam | 612903 |
| All postal codes in Ariyalur | |
|---|---|
| Ariyalur, Ariyalur | |
| Sendurai, Ariyalur | |
| Udayarpalayam, Ariyalur | |