Assam STD & ISD Codes List | Dialing Codes : If you are looking for STD and ISD dialing code of Assam, this is the right place, here you can check the list of dialing codes available across Assam. Assam STD & ISD Codes Area STD Code ISD Code state Abhayapuri 03669 91-3669 Assam Baithalangshu […]