| Place | Post Code |
|---|---|
| Green Vally, Gudalur | 643211 |
| Gudalur Malai, Gudalur | 643211 |
| Gudalur Nilgiris, Gudalur | 643205, 643207, 643211, 643212, 643220, 643224, 643225, 643226, 643228, 643239, 643240, 643241, 643253, 643270 |
| Gudalur Tea Division Range I, Gudalur | 643211 |
| Gudalur Tea Division Range II, Gudalur | 643211 |
| Gudalur Tea Division Range III, Gudalur | 643211 |
| Gudalur Tea Division Range IV, Gudalur | 643211 |
| Guynd, Gudalur | 643211 |
| Hallar, Gudalur | 643211 |
| Helan Estate, Gudalur | 643211 |
| Indranagar, Gudalur | 643212 |
| Irumbu Palam, Gudalur | 643212 |
| Irumpalam, Gudalur | 643212 |
| Ithallakolli, Gudalur | 643212 |
| Kadambur, Gudalur | 643211 |
| Kakana Halla, Gudalur | 643211 |
| Kakkanalla, Gudalur | 643211 |
| Kalayodu, Gudalur | 643205 |
| Kalkoari Voyal, Gudalur | 643212 |
| Kalladu, Gudalur | 643240 |
| Kallancheri, Gudalur | 643211 |
| Kallenchery, Gudalur | 643211 |
| Kallery, Gudalur | 643240 |
| Kallichal, Gudalur | 643239 |
| Kallikunna, Gudalur | 643211 |
| Kallinagarai, Gudalur | 643211 |
| All postal codes in Nilgiris | |
|---|---|
| Coonoor, Nilgiris | |
| Gudalur, Nilgiris | |
| Kotagiri, Nilgiris | |
| Kundah, Nilgiris | |
| Panthalur, Nilgiris | |
| Udhagamandalam, Nilgiris | |