The STD phone code for Sylhet is 821, meaning to make a phone call to this city you will first dial 880-821.
The first prefix above is 880, the international phone access code for Bangladesh. Dial this number and then 821 to get through to Sylhet, followed by the number of the individual, business, or public institution. An example of the Sylhet phone code in use is in the number for Osmany International Airport, which is located in Sylhet. The phone number for the airport is: +880 821 718 459.
Sylhet is located in the northeastern part of Bangladesh and is well-known in the country for it’s history and tourist attractions.