United Kingdom Dialing Code - British Country Code - Telephone Area Codes in United Kingdom
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United States Dialing Code - American Country Code - Telephone Area Codes in United States
Calling International Numbers | How to Dial Abroad
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Making International Phone Calls : How to Call the United States From the United Kingdom
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Very Very Urgent How to Call the UK from the United States
All Countries Phone Codes | Country Codes | Dialing Codes | ISO Country Codes
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