AskKaka lists the STD code of Badvel that is 08569. Badvel is a part of Andhra Pradesh and the ISO code of Andhra Pradesh state is AP.
Badvel STD code aka subscriber trunk dialing code is 08569 which is mentioned above on this page of AskKaka. We are great resource of finding Badvel std code of Andhra Pradesh (AP).
Useful Info :-
Please take a note that if you are in India and dialing a landline number of Badvel then you will have to dial STD code 08569 as a prefix followed by the phone number of a landline user and if you are calling Badvel's phone number from a foreign country then you need to add +91 (the country code) followed by 8569, e.g. +918569 (no need to add "0" as prefix) followed by the landline phone number.
Found any error in the detail mentioned above? Please report it to firstname.lastname@example.org