AskKaka lists the STD code of Marwahi that is 07750. Marwahi is a part of Chhattisgarh and the ISO code of Chhattisgarh state is CT.
Marwahi STD code aka subscriber trunk dialing code is 07750 which is mentioned above on this page of AskKaka. We are great resource of finding Marwahi std code of Chhattisgarh (CT).
Useful Info :-
Please take a note that if you are in India and dialing a landline number of Marwahi then you will have to dial STD code 07750 as a prefix followed by the phone number of a landline user and if you are calling Marwahi's phone number from a foreign country then you need to add +91 (the country code) followed by 7750, e.g. +917750 (no need to add "0" as prefix) followed by the landline phone number.
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