That depends what country you're talking about.
Telephone country code +30 is Greece.
(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 telephone country code for Zimbabwe is +263. The area code for Gutu is 030, or +263 30 in international format.
The telephone country code for Vietnam is +84. The area code for Ninh Binh is 030, or +84 30 in international format.
This isn't a London code. It is the area code for Brentwood in Essex which is about 30 miles northeast of London.
There is no telephone area code 185 in Russia.
The telephone country code for Ghana is +233. Lashibi is a neighbourhood of the city of Accra. The area code for Accra is 030, or +233 30 in international format. The local number is always 7 digits.
Landline telephone numbers in Kos, Greece, begin with 22420, or +30 22420 in international format.
The telephone country code for Zimbabwe is +263. The area code for Beitbridge is 0286, or +263 286 in international format.
No, telephone area codes are discrete data.
The telephone country code for Zimbabwe is +263. The area code for Karoi is 064, or +263 64 in international format.
The telephone country code for Zimbabwe is +263. The area code for Chakari is 0688, or +263 688 in international format.
Telephone country code +93 is Afghanistan, and area code +93 25 (Afghan domestic telephone area code 025) is the city of Logar, south of Kabul.
It has the area code 082.