Any UK telephone number beginning with 070, or in international format +44 70, is a personal "follow-me" number that can be forwarded to almost anywhere in the world.
Although there are many legitimate users of these numbers, they are also very popular with e-mail scammers. If a Nigerian prince or the widow of a general is offering you a percentage of their vast wealth, yes, it really is too good to be true.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
+44 792 is the beginning of a mobile-phone number.
None. 44792 is the international version (44=UK) of what would be 0792 within the UK, and 0792 is a mobile telephone number prefix not tied to any geographical area.
+44 790 is the beginning of a mobile number in the UK.
Holsworthy, Devon, UK
Country code +44 is the United Kingdom. Area code +44 1303 (or 01303 in UK domestic format) is Folkestone.
Country code +44 is the UK, and +44 7926 is a mobile code, along with the rest of +44 74 through +44 79.
All UK area codes begin with a 0. There is no area code 6010 in the UK, and there is no 06010 code either.
UK area code 020 is London.
There is no area code 20 in the UK
There is no 01134 code in the UK.
The country code and area code of Aberdeen, United Kingdom is 44, (0)1224.
UK telephone area code 01402 is not currently in use.00 1 402 is the dialing code from the UK to Omaha, Nebraska, USA (telephone country code +1, area code 402).(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Cambridge is in area code 01223, or +44 1223 from outside the UK.
In the UK, 0121 is the area code for Birmingham.
Until the early 1990's, area code +44 21 (or 021 within the UK) was Birmingham, which is now area code +44 121 (or 0121 within the UK). There has never been an area code +44 217 (or 0217) in the UK.