| City Name | STD Code |
|---|---|
| Along | 3783 |
| Anini | 3801 |
| Bameng | 3785 |
| Basar | 3795 |
| Changlang | 3808 |
| Chowkhem | 3806 |
| Daporizo | 3792 |
| Dirang | 3780 |
| Hayuliang | 3805 |
| Huri | 3789 |
| Itanagar | 360 |
| Jairampur | 3800 |
| Kalaktung-Bomdila | 3782 |
| Khonsa | 3786 |
| Kolaring | 3788 |
| Mariyang | 3798 |
| Mechuka | 3793 |
| Miao | 3807 |
| Nefra | 3784 |
| Pakkekesang | 3778 |
| Pangin | 3797 |
| Passighat | 368 |
| Roing-I | 3803 |
| Roing-Ii-Arda | 3802 |
| Roing-Iii-Mariso | 3779 |
| Saglee | 3809 |
| Seppa | 3787 |
| Tali | 3790 |
| Taliha | 3791 |
| Tawang | 3794 |
| Tezu | 3804 |
| Tuting | 3799 |
| Yangkiyang | 3777 |