For dialing a telephone number outside your local area.
+ 44.
The dialing code 00601 is not associated with London or the UK. In fact, it is likely a non-standard or fictional code, as UK dialing codes typically begin with 0 followed by a 2-5 digit area code. For London, the area codes start with 020. If you're looking for specific dialing codes in London, the standard code is 020.
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.
The country telephone code +156 is assigned to Taiwan. When dialing to Taiwan from abroad, you would use this code before the local phone number.
*9 is not a valid service code on the public telephone network. It may be a service code on some private telephone systems.
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.
The ISD code 00317 corresponds to the country of Bhutan. ISD codes, or International Subscriber Dialing codes, are used to identify countries in international telephone dialing. Bhutan's unique code allows for direct dialing to the country from abroad.