Sikkim STD & ISD Codes List | Dialing Codes : If you are looking for STD and ISD dialing code of Sikkim, this is the right place, here you can check the list of dialing codes available across Sikkim.
Sikkim STD & ISD Codes
| Area | STD Code | ISD Code | State |
| Gangtok | 03592 | 91-3592 | Sikkim |
| Gauzing | 03595 | 91-3595 | Sikkim |
Leave a Reply