The country code for the UK is +44
The area code for London is 020 - but the first zero is removed when dialling in from abroad.
So, from Cyprus, the London number (020) 7946 0018 would be dialled as: 00 44 20 7946 0018.
The Turkish Republic of Northern Cyprus (TRNC, or KKTC in Turkish) does not have its own telephone country code, since it is not recognized as an independent state by most of the international community. Calls to the Turkish-occupied areas of Cyprus are dialed with Turkey's country code +90 and area code 392. Calls to the Republic of Cyprus use Cyprus's country code +357.
(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 Republic of Cyprus is country code +357.
The Turkish Republic of Northern Cyprus (TRNC, also known by its initials in Turkish, KKTC), is a self-declared state, recognized only by Turkey. It uses Turkey's country code +90, with the area code +90 392.
(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.)
For dialing a telephone number outside your local area.
+ 44.
The Turkish Republic of Northern Cyprus is a self-declared state, recognized only by Turkey. It uses Turkey's telephone country code +90, with the telephone area code +90 392.
Mumbai is in area code 022, or +91 22 from outside India.
The postal code of Hayes, London is UB3, UB4. The dialing code of the town is 020. The town is located n west London.
UK telephone area codes were first assigned in 1958.
This is a code for an area of London but has been written incorrectly. It should read 020 3634
Area code 020 is London. There is no more specific geographic information possible from the information in your question.
*9 is not a valid service code on the public telephone network. It may be a service code on some private telephone systems.
London Borough of Sutton, post codes SM, KT, CR
In UK it is in Hampshire.Alton 01420 STD Area Dialing Code. The 01420 area code is a 4 digit dialling code (excluding the zero) which means the local telephone number is 6 digits long. The Alton 01420 dialing code is situated in the district of Hampshire in the South East Region of the UK.
This isn't a London code. It is the area code for Brentwood in Essex which is about 30 miles northeast of London.