STD/ ISD Code
STD Code (India):
- Click here to find STD code in India.
- It is the prefix to a telephone landline number in any city, state which ensures quick talk service between people living in different states in India.
- 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).
ISD Code (International):
- Click here to find an international ISD code.
- 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'.