@JeffSchaller A normalized version,
{{'8106199194'}}
, of that pattern is already on the number watchlist and the pattern you provided is not an exact match to an existing entry on the number watchlist. You can use
!!/bisect-number 8106-199-194
to determine which entries on the number lists match that pattern, which would tell you: Matched by
8106-199-194(?#NO NorAm)
on
line 4543 of watched_numbers.txt: 8106-199-194 found verbatim