While
calling from one city to another in India, STD codes need to be affixed
before the telephone number. STD stands for Subscribers Trunk Dialing.
When you call to a foreign location, you need to dial the ISD code of
that country, followed by the STD code of the location and finally the
actual number. For example, if you want to call someone in Bangalore
from abroad, you should dial 009180. Here, 91 is the ISD code for India
and 80 is the STD code for Bangalore. If you are planning a vacation of
Karnataka, keep a list of Karnataka STD codes with you. Given below are
STD codes of for Karnataka cities:
