USA Dialing Codes - Calling Codes for the USA

The following information is provided for making domestic and international calls to or from the USA.  Please see the country guide for international dialing instructions for calling the USA from a specific country.

How to Make International Calls to the USA

The country dialing code for the USA is 1.  When international calls are made to the USA the following dialing convention is normally used.

00 - 1 - (USA Area Code) - (Local USA Phone Number)

The 00 dialed at the beginning of the sequence indicates an international call when dialed from many but not all countries.  See the international dialing  instructions on the individual country pages to find the international dialing code for making international calls from specific countries.

How to Make International Calls from the USA

The following dialing sequence is used to make international calls from the USA.  It is necessary to get the country and, in some cases, city dialing codes for the location being dialed.  These can be found on the country dialing code pages. 

011 + (Country Dialing Code) + (City Dialing Code) + (Local Phone Number)

Note: The city dialing code is not always necessary.

 

How to Make Domestic Long Distance Calls in the USA

Dial the following sequence:  1 + (Area Code) + (Local USA Phone Number)

 

How to Make an International Call to Canada from the USA

Dial the following sequence:  1 + (Canadian Area Code) + (Local Phone Number)

Use the same dialing sequence to make international calls to most countries in the Caribbean.

List of USA Area Codes

Use the following tool to find USA Area Codes:    USA Area Codes

 

How to Make Cheap International Calls from the USA and Other Locations