@Spevacus A normalized version,
{{'8652050327', '18652050327'}}
, of that pattern is already on the number blacklist. You can use
!!/bisect-number 18652050327
to determine which entries on the number lists match that pattern, which would tell you: Matched by
+1-865→(205)→(0327
on
line 3852 of blacklisted_numbers.txt: 18652050327 found normalized