| Place | Postal Code |
|---|---|
| 80, Alangadu, Sirkali | 609107 |
| Achalpuram, Sirkali | 609101 |
| Adaikalapuram, Sirkali | 609118 |
| Agani, Sirkali | 609111 |
| Agaraelathur, Sirkali | 609110 |
| Agaraperunthottam, Sirkali | 609106 |
| Agaravattaram, Sirkali | 609104 |
| Agathipattu, Sirkali | 609116 |
| Agoji Maharajapuram, Sirkali | 609104 |
| Agraharamedu, Sirkali | 609115 |
| Alakkudi, Sirkali | 609101 |
| Alakkudy, Sirkali | 609101 |
| Alalasundaram, Sirkali | 609104 |
| Alalasundram, Sirkali | 609101 |
| Alangadu, Sirkali | 609107, 609104 |
| Alaveli, Sirkali | 609118 |
| Allivilagam, Sirkali | 609109 |
| Amapallam, Sirkali | 609115 |
| Ambethkar Nagar, Sirkali | 609109 |
| Ananthakoothan, Sirkali | 609108 |
| Andikottam, Sirkali | 609111 |
| Annamperumalkoil, Sirkali | 609109 |
| Annappanpettai, Sirkali | 609106 |
| Arapallam, Sirkali | 609101 |
| Arappakkam, Sirkali | 609111 |
| Arasalamangalam, Sirkali | 609104 |