@VLAZ A normalized version,
{{'18884259693', '8884259693'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number +1 888-425-9693
to determine which entries on the number lists match that pattern, which would tell you: Matched by
+1 888-425-9693
on
line 4158 of blacklisted_numbers.txt: +1 888-425-9693 found verbatim; 8884259693 found normalized