AskKaka lists the STD code of Pune that is 020. Pune is a part of Maharashtra and the ISO code of Maharashtra state is MH.
Pune STD code aka subscriber trunk dialing code is 020 which is mentioned above on this page of AskKaka. We are great resource of finding Pune std code of Maharashtra (MH).
Useful Info :-
Please take a note that if you are in India and dialing a landline number of Pune then you will have to dial STD code 020 as a prefix followed by the phone number of a landline user and if you are calling Pune's phone number from a foreign country then you need to add +91 (the country code) followed by 20, e.g. +9120 (no need to add "0" as prefix) followed by the landline phone number.
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