Hello @BobW97 ,
From our article on formatting numbers and dates for contact imports:
Accepted Formats:
+11231231234
+1 123-123-1234
(123) 123-1234
+1 123-123-1234
1 (123) 123-1234
00 1 123-123 1234
+1 (123) 123-1234
Important: At this time, SMS through Constant Contact isn’t available to use with phone numbers outside the US and Puerto Rico, and they won’t be imported.
See also:
Importing SMS Contacts
... View more
