| Place | Post Code |
|---|---|
| A. Athipakkam, Ulundurpettai | 607201 |
| A. Kulathur, Ulundurpettai | 606205 |
| A. Kumaramangalam, Ulundurpettai | 606107 |
| A. Kurumbur, Ulundurpettai | 606104 |
| A. Mazhavarayanur, Ulundurpettai | 606305 |
| A. Puthur, Ulundurpettai | 607202 |
| A. Sathanur, Ulundurpettai | 606104 |
| Adaiyur, Ulundurpettai | 607201 |
| Adanur, Ulundurpettai | 606102 |
| Alangiri, Ulundurpettai | 607202 |
| Alankuppam, Ulundurpettai | 607107 |
| Ambedkar Nagar, Ulundurpettai | 607201 |
| Amur, Ulundurpettai | 607209 |
| Anaivari, Ulundurpettai | 607204 |
| Andikuli, Ulundurpettai | 607204 |
| Anganur, Ulundurpettai | 606107 |
| Annanagar, Ulundurpettai | 606102 |
| Arali, Ulundurpettai | 606107 |
| Arampoondi, Ulundurpettai | 606209 |
| Arasampoondi, Ulundurpettai | 606104 |
| Arasur, Ulundurpettai | 607107 |
| Arinatham, Ulundurpettai | 606115 |
| Arumbalavadi, Ulundurpettai | 607202 |
| Arumpattu, Ulundurpettai | 607107 |
| Asanur, Ulundurpettai | 606305 |
| Athipattu, Ulundurpettai | 607204, 604152 |