diff --git a/lib/NGCP/BulkProcessor/Array.pm b/lib/NGCP/BulkProcessor/Array.pm
index cf43515..862b167 100644
--- a/lib/NGCP/BulkProcessor/Array.pm
+++ b/lib/NGCP/BulkProcessor/Array.pm
@@ -23,7 +23,8 @@ our @EXPORT_OK = qw(
     filter
     getroundrobinitem
     getrandomitem
-    array_to_map);
+    array_to_map
+    flatten);
 
 sub mergearrays {
     my ($array_ptr1, $array_ptr2) = @_;
@@ -323,4 +324,9 @@ sub mapeq {
     return 1;
 }
 
+#https://metacpan.org/dist/List-Flatten/source/lib/List/Flatten.pm
+sub flatten(@) {
+    return map { ref eq 'ARRAY' ? @$_ : $_ } @_;
+}
+
 1;
diff --git a/lib/NGCP/BulkProcessor/Dao/Trunk/billing/lnp_numbers.pm b/lib/NGCP/BulkProcessor/Dao/Trunk/billing/lnp_numbers.pm
index c07d7a1..4cb298a 100644
--- a/lib/NGCP/BulkProcessor/Dao/Trunk/billing/lnp_numbers.pm
+++ b/lib/NGCP/BulkProcessor/Dao/Trunk/billing/lnp_numbers.pm
@@ -236,9 +236,9 @@ sub buildrecords_fromrows {
 
 sub getinsertstatement {
 
-    my ($insert_ignore) = @_;
+    my ($insert_ignore,$row_count) = @_;
     check_table();
-    return insert_stmt($get_db,__PACKAGE__,$insert_ignore);
+    return insert_stmt($get_db,__PACKAGE__,$insert_ignore,undef,$row_count);
 
 }
 
diff --git a/lib/NGCP/BulkProcessor/SqlProcessor.pm b/lib/NGCP/BulkProcessor/SqlProcessor.pm
index 3a3b869..d3bcb19 100644
--- a/lib/NGCP/BulkProcessor/SqlProcessor.pm
+++ b/lib/NGCP/BulkProcessor/SqlProcessor.pm
@@ -715,7 +715,7 @@ sub update_record {
 
 sub insert_stmt {
 
-    my ($get_db,$class,$insert_ignore,$exclude_identity_fieldnames) = @_;
+    my ($get_db,$class,$insert_ignore,$exclude_identity_fieldnames,$row_count) = @_;
     my $db = (ref $get_db eq 'CODE') ? &$get_db() : $get_db;
     my $connectidentifier = $db->connectidentifier();
     my $tid = threadid();
@@ -724,9 +724,11 @@ sub insert_stmt {
         $expected_fieldnames = [ grep { not contains($_,$exclude_identity_fieldnames); } @$expected_fieldnames ];
     }
     my $tablename = $table_names->{$tid}->{$connectidentifier}->{$class};
+    $row_count //= 1;
+    my $values = join ", ", ('(' . substr(',?' x scalar @$expected_fieldnames,1) . ')') x $row_count;
     return 'INSERT ' . ($insert_ignore ? $db->insert_ignore_phrase() . ' ' : '') . 'INTO ' . $db->tableidentifier($tablename) . ' (' .
       join(', ',map { local $_ = $_; $_ = $db->columnidentifier($_); $_; } @$expected_fieldnames) .
-      ') VALUES (' . substr(',?' x scalar @$expected_fieldnames,1) . ')';
+      ') VALUES ' . $values;
 
 }