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 Portugal
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call Portugal, dial 00351 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 +351 omit the 351 and replace it with the UK international dialing code of 00. For example:
Phone Number in Portugal
Dialed from the United Kingdom
+351 xx xxx xxxx
00 xx xxx xxxx
23 449 5479
00 23 449 5479
How to call the UK from Portugal
To call a landline or mobile phone in the United Kingdon from Portugal, dial 00 44, then dial the UK phone number, minus the leading zero. For example: