UK area code 01702 (or +44 1702 in international format) is for Southend-on-Sea, Essex.
The city Southend-on-Sea and its surrounding towns and villages including Canewdon, Eastwood, Great Wakering, Hadleigh, Hawkwell, Hullbridge, Leigh-on-Sea, Little Wakering, Marine, Rochford, Shoeburyness, Southchurch, Thorpe Bay and Westcliff-on-Sea.
(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.)
01792 is for Swansea and the surrounding area in south Wales.
Local numbers have six digits. In international format, 01792 becomes +44 1792.
(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.)
01772 (international: +44 1772) is the UK telephone area code for Preston, Lancashire, including:
(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.)
The Stoke-on-Trent area, which means the following exchanges:
Ash Bank
Barlaston
Blythe Bridge
Newcastle-under-Lyme (Staffs.)
Standon Rock
Stoke-on-Trent
Swynnerton
Wetley Rocks
Whitmore
01792 is the area code for Swansea.
Preston
The area code of 01702 is for the seaside resort of Southend-on-Sea.
Redhill/Reigate and surrounding areas in the county of Surrey which lies on the southern boundary of London.
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.
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.
The area code "029" is assigned to the city Cardiff in Wales, UK.
Slough. There is no 0753 code in the UK.