STD/ ISD CODE
To find a STD Code (India): Click here
To find an ISD Code (International): Click here
- It is the prefix to a telephone landline number in any city, state or country.
- Allows you to make direct trunk calls without an operators assistance.
- Ensures quick talk service between people living in different states or countries.
- Full form of STD is 'Subscriber Trunk Dialling'.
- Most big/metro cities in India have shorter 2 digit STD codes and other towns have 3 digit codes.
- When dialling within India, dial (City STD code)(Phone number).
- Full form of ISD is 'International Subscriber Dialling'.
- When making an international call, dial (Country ISD Code)(City STD code)(Phone number).
- India's ISD Code is '+91'.