Andaman And Nicobar Isleands is one of the 29 states of India. As we know that all the cities of india required prefixing STD code before the number. That is called landline phone STD code number. In order to make phone calls in Andaman And Nicobar Isleands, india, all you need to have is Andaman And Nicobar Isleands std code list or Andaman And Nicobar Isleands telephone directory. You can find here std codes of india city Andaman And Nicobar Isleands.