Instructions for calling from the UK to international locations requires special calling codes that allow you to connect to countries outside of the United Kingdom.
Calling out to Korea Republic
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call Korea Republic, dial 0082 and then enter the phone number of the person or location you’re trying to reach. If the phone number is displayed with a leading +82 omit the 82 and replace it with the UK international dialing code of 00. For example:
Phone Number in Korea Republic
Dialed from the United Kingdom
How to call the UK from Korea Republic
To call a landline or mobile phone in the United Kingdon from Korea Republic, dial 00x 44, then dial the UK phone number, minus the leading zero. For example: