Exit Code – This is the code you need to dial OUT from a country. Also known as IDD (International Direct Dialing) code or ISD (International Subscriber Dialing) code.
Country Code – Each country or region is assigned their individual country code. You will need this code to dial IN to a country. There is a total of 249 codes worldwide. View all Country Codes
Area Codes – Area codes define a specific part of a country. This can be a whole city or a general region. Some countries are not big enough to have multiple area codes, so you would simply dial the country code and the direct dial number.
Local Number – This number is the local direct line to a home, business or cellphone.
How To Dial a United Kingdom Local Number from the US
Example #: Dial 011-44-0151-555-555
How To Dial a United Kingdom Toll Free Number from the US
Example #: Dial 011-44-866-555-5555
How To Dial a United Kingdom Mobile Number from the US
Example #: Dial 011-44-020-5555-555
United Kingdom Information
Telephone numbers in the UK are administered by the Office of Communications (Ofcom). Ofcom established a telephone numbering plan, known as the National Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations.
UK Local numbers are 10 digits supported from land-lines. Numbers can be dialed with a ‘0’-trunk code that denotes a geographical region or another service. Cell phone numbers have their own prefixes that are not geographical and are completely portable between providers.
ISD Code or Country Code of the United Kingdom is 44
Area codes – There are many geographical area codes in United Kingdom. Dial the area code (2–5 digits), and then the phone number (4–8 digits) the area code plus phone number equals 10 digits.
United Kingdom Emergency Numbers
999 or 112 – Police
999 or 112 – Ambulance
999 or 112 – Fire
0800 111 999 – Gas-Emergecy
0845 4647 – 24Hr Health Helpline