STD or Subscriber Trunk Dialing is a term used with telephone system through which subscribers can do trunk call. They can prefix the STD code before the land line telephone number. In India, STD Codes are assigned to each city/town/village. The Metro cities like Kolkata, Chennai, Delhi, Hyderabad, Mumbai, Pune, Ahmadabad, Bengaluru having 2 digits STD Codes while the Tier 2 cities have 3 digit STD Codes. _______________________________________________ STD Code of Noida is 0120 Prefix this code before telephone number from any other city of India to call a landline telephone number of Noida. From international location prefix +91-120 before telephone number to call a landline telephone number of Noida. STD codes of metro cities are as follows: Delhi : 011 Mumbai: 022 Kolkata: 033 Chennai: 044 _______________________________________________ Some other important cities of India have following STD codes. Ahmedabad : 079 Bangalore: 08
Comments