Try another answer... That's right! To call the UK from the US, you'll need to dial a code to dial out (011), the UK country code (44), the area code (2-5 digits), and the phone number (4-8 digits). Don't forget that the area code and the phone number always add up to 10 digits! read more
Complete resource on how to call the United Kingdom (England, Scotland, Wales and Northern Ireland): country code, area codes and more international calling info read more