| Place | Postal Code |
|---|---|
| A.D. Colony, Gudiyatham | 635806 |
| A. Mottur, Gudiyatham | 635806 |
| A.N. Pudur, Gudiyatham | 635803 |
| Aathorampatti, Gudiyatham | 632604 |
| Acharipatti, Gudiyatham | 632601 |
| Alinjikuppam, Gudiyatham | 635805 |
| Alinjikuppam Pudumanai, Gudiyatham | 635805 |
| Ambedkar Nagar, Gudiyatham | 635810, 635809, 632601 |
| Amburanpatti, Gudiyatham | 632601 |
| Anandagiri, Gudiyatham | 635810 |
| Ananganallore, Gudiyatham | 635806 |
| Anganapallipatti, Gudiyatham | 632601 |
| Anjalagundu, Gudiyatham | 632601 |
| Anna Nagar, Gudiyatham | 635806, 632604 |
| Aravatla, Gudiyatham | 635810 |
| Arigavaripalli, Gudiyatham | 632603 |
| Arimuthampatti, Gudiyatham | 635813 |
| Arjunapuram, Gudiyatham | 635803 |
| Arujunacolony, Gudiyatham | 632601 |
| Arunachalampatti, Gudiyatham | 632604 |
| Arundhathi Colony, Gudiyatham | 632601 |
| Arundhathiyar Colony, Gudiyatham | 635805 |
| Arunthathi Colony, Gudiyatham | 632601 |
| Arunthathi Saint, Gudiyatham | 635810 |
| Arunthathinagar, Gudiyatham | 635806 |
| Ashok Nagar, Gudiyatham | 635803 |