@VLAZ A normalized version,
{{'8554703602', '18554703602'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number +1) - 855 - 470 - 3602
to determine which entries on the number lists match that pattern, which would tell you: Matched by
18554703602
on
line 3490 of blacklisted_numbers.txt: 8554703602 found normalized; 18554703602 found normalized