pune std code number
Trace Phone Number. Home âº STD Codes in India âº Pune, Pune, MH â STD Code: 020. STD or 'Subscriber Trunk Dialing' codes are designed to dial long distance calls with out any operator assistance. In India, there are 2646 STD Codes under 22 Circles. Each circle is divided into telecom districts under which local telephone exchanges assign numbers to the individuals.