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 Eritrea
Here are the instructions on how to call the country of Canada from the United Kingdom.
To call Eritrea, dial 00291 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 +291 omit the 291 and replace it with the UK international dialing code of 00. For example:
Phone Number in Eritrea
Dialed from the United Kingdom
+291 x xxx xxx
00 x xxx xxx
1 116 663
00 1 116 663
How to call the UK from Eritrea
To call a landline or mobile phone in the United Kingdon from Eritrea, dial 00 44, then dial the UK phone number, minus the leading zero. For example: