Multiple choice general knowledge STD code - 020; City - ? (1 minute quiz) Bengaluru Chennai Mumbai New Delhi Pune Reveal answer Fill a bubble to check yourself E Correct answer Explanation In India, 020 is the Subscriber Trunk Dialing (STD) code for the city of Pune in Maharashtra. Each major city has a unique code; for example, Mumbai is 022 and Bengaluru is 080.