Since the charges are often based on postcode areas, many far less remote areas, including some which are traditionally considered part of the lowlands, are also subject to these charges.
Karena biaya sering didasarkan pada daerah kode pos, banyak daerah yang kurang terpencil, termasuk beberapa yang secara tradisional dianggap sebagai bagian dari Dataran Rendah, juga dikenakan biaya ini.