International phone calls to USA by ZSComm. For cheap calls to USA use the USA country codes and area codes for specific cities along with cellular and landline phones. You will find the international calling instructions as well. Once you sort the information check out the cheapest call rates to USA and major cities, and start making your phone call to USA today, some with free call rates from USA, from UK and from Canada as well as military bases around the world.
USA Country code: 1
How to call USA from USA: Dial 011 + 1 + phone number
How to call USA from Canada: Dial 011 + 1 + phone number
How to call USA from UK: Dial 00 + 1 + phone number