| Sub-districts |
|---|
| Postal/ZIP Codes in Tezpur, Sonitpur |
| Postal/ZIP Codes in Na-Duar, Sonitpur |
| Postal/ZIP Codes in Dhekiajuli, Sonitpur |
| Postal/ZIP Codes in Chariduar, Sonitpur |
| Postal Codes in Sonitpur |
|---|
| Postal/ZIP Codes in Udalguri |
| Postal/ZIP Codes in Sonitpur |
| Postal/ZIP Codes in Darrang |
| Postal/ZIP Codes in Biswanath |