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 Macao
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call Macao, dial 00853 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 +853 omit the 853 and replace it with the UK international dialing code of 00. For example:
Phone Number in Macao
Dialed from the United Kingdom
+853 xxxx xxxx
00 xxxx xxxx
00 2829 5344
How to call the UK from Macao
To call a landline or mobile phone in the United Kingdon from Macao, dial 00 44, then dial the UK phone number, minus the leading zero. For example: