=item regionnum - primary key
-=item regionname
+=item regionname - name of the region
+
+=item exact_match - 'Y' if "prefixes" in this region really represent
+complete phone numbers. Null if they represent prefixes (the usual case).
=back
my $error =
$self->ut_numbern('regionnum')
|| $self->ut_text('regionname')
+ || $self->ut_flag('exact_match')
;
return $error if $error;