Southampton. For example, the phone number for Southampton Marriott Hotel is: 01329 833 455.
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The previous answer is WRONG.
Southampton area code is (023) and local number has eight digits (023) xxxx xxxx.
The area code (01329) is Fareham and local number has six digits (01329) xxxxxx.
The area code (01823) is Taunton and local number has six digits (01823) xxxxxx.
The correct International Format is +44 1823 xxxxxx.
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 01134 code in the UK.
There is no area code 20 in the UK
The country code and area code of Aberdeen, United Kingdom is 44, (0)1224.
In the UK, 0121 is the area code for Birmingham.
Cambridge is in area code 01223, or +44 1223 from outside the UK.
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.
The area code "029" is assigned to the city Cardiff in Wales, UK.
Slough. There is no 0753 code in the UK.
There is no UK area code like 0491. If the number is pre-1995 then this area code is now 01491 which covers Henley-on-Thames.
In the UK, 01908 is the area code for Milton Keynes.