The telephone country code for the United States is +1, followed by a 3-digit area code and 7-digit number. New Jersey has several different area codes, including several overlay areas (geographic zones served by more than one area code).
From India, dial 00 1 plus the area code and number.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Close, but not quite. ISD stands for International Subscriber Dialing.The ISD code is more generally known as the telephone country code, or the country code and city code (area code).
PCO - Public Call Office STD - subscriber trunk dialing ISD - International Subscriber Dialing
The ISD code of India is 91.
The telephone country code for Mozambique is +258. The plus sign means "insert your local international dialing prefix here."
Dial the ISD code to US (001) and then dial the number you wish. There are several different area codes for different parts of Missouri.
"ISD" stands for International Subscriber Dialing. An ISD code is a country code, or a country code and city code, often quoted with the local international access prefix. For example, the country code and city code for London, England, UK, is +44 20, so in many countries people will quote the ISD code for London as 004420. However, it is more appropriate to quote it as +44 20, since different countries use different prefixes for outbound international calls.
ISD CALL FROM INDIA TO PHILIPPINES The ISD Number is 63 So if you are calling to Philippines Mobile Number dial following 0063(followed by mobile Number)
Subscriber Trunk Dialing
Follow the above dialing format while making a call From New Zealand to Canada00 - Exit code for New Zealand, and is needed for making any international call from New Zealand1 - ISD Code or Country Code of CanadaArea code - There are 26 area codes in Canada. If there is an area code dial area code of the city in Canada you are calling after dialing ISD Code. If there is no area code dial the Recipient's Telephone Number after ISD Code.
0017 is not a country code.
ISD is for International Calls, where as STD is for local calls.
Country code +975 is Bhutan.