| Place | Post Code |
|---|---|
| Anna Nagar, Denkanikottai | 636806, 635107, 635116 |
| Anna Sagaram, Denkanikottai | 635107 |
| Anniyalam, Denkanikottai | 635107 |
| Anumantha Puram, Denkanikottai | 635107 |
| Anusonai, Denkanikottai | 635113 |
| Arapally, Denkanikottai | 635118 |
| Arasajjur, Denkanikottai | 635107 |
| Arasakuppam, Denkanikottai | 635107 |
| Arogia Puram, Denkanikottai | 635102 |
| Arthagur, Denkanikottai | 635107 |
| Arthakkal, Denkanikottai | 635102 |
| Arthakoore, Denkanikottai | 635107 |
| Arul Natham, Denkanikottai | 635118 |
| Arupalli, Denkanikottai | 635118 |
| Atheyha Asharam, Denkanikottai | 635118 |
| Athimaranapallam, Denkanikottai | 635107 |
| Athimarathur, Denkanikottai | 635102 |
| Athinatham, Denkanikottai | 635102 |
| Averi Palli, Denkanikottai | 635118 |
| Averupally Agraharam, Denkanikottai | 635118 |
| Ayyur, Denkanikottai | 635107 |
| Ayyur R.F, Denkanikottai | 635107 |
| B.B. Palayam, Denkanikottai | 635118 |
| B Budur, Denkanikottai | 636812 |
| B. Kothapally, Denkanikottai | 635114 |
| B. Lakkasandiram, Denkanikottai | 635107 |
| All postal codes in Krishnagiri | |
|---|---|
| Denkanikottai, Krishnagiri | |
| Hosur, Krishnagiri | |
| Krishnagiri, Krishnagiri | |
| Pochampalli, Krishnagiri | |
| Uthangarai, Krishnagiri | |