The phone code 91 at the beginning of the phone number +91 (subscriber’s phone) means that you are being called from India or you are calling a subscriber registered in India.
+91 — India
Are you searching for another number? Look for the country code you need in our list of “All Phone Country Codes of the World“.
Telephone Code +91 — what country it is
The international phone code +91 officially belongs to India, so all phone numbers that start with these numbers refer to this country.
It means that you must enter “91″ after the “+” sign to call to India. Then the next digits of the phone number can be entered.
Whose country code is +91?
+91 is the beginning of a phone number which can belong to any subscriber who purchased a SIM card in India. It does not mean that a subscriber is definitely there at the time of the call (since he or she can make a call in roaming), but there is such a possibility.