Added 10 01 02, 16 11 04, 16 11 06, 19 01 11 and 19 09 02 to the list of other lower rate codes.
Ychwanegwyd 10 01 02, 16 11 04, 16 11 06, 19 01 11 and 19 09 02 at y rhestr o godau cyfradd is eraill.