EXIT CODE
This is the code you need to dial OUT from a country. It is also referred to as the IDD code (International Direct Dialing) or ISD code (International Subscriber Dialing)
COUNTRY CODE
This is the code you need to dial IN to a country. Each country is assigned a unique country code.
AREA CODE
This is the code for a part of the country. It is usually a general area or a city. Some countries are not large enough to warrant their own code, so will have the country code 1 and use the area code to define the country.
LOCAL NUMBER
This is the local number you would like to call.
Dialing Code for USA is 1 | |
| Here is some useful travel information about USA. | |
| Flag |  |
| Region | North America |
| ISO 2 digit Code | US |
| ISO 3 digit Code | USA |
| Capital City | Washington DC |
| Currency | Dollar |
| Population | 310,232,863 |
| Area (SQ KM) | 9,629,091 |
This page helps you call from to USA using international country codes.
Area Codes for USA are also supplied. Country Code 1 is for USA. The dialing code is also described as phone code 1 or dialing code 1 and is sometimes described as a calling code or international dialing code.
The dialing code for USA is 1.
The area code for Jefferson City is 573.