區域清單
- 7974 HA - Havelterberg, Westerveld, Drenthe
- 7974 HB - Havelterberg, Westerveld, Drenthe
- 7974 HC - Havelterberg, Westerveld, Drenthe
- 7974 HD - Havelterberg, Westerveld, Drenthe
- 7974 HE - Havelterberg, Westerveld, Drenthe
- 7974 HL - Havelterberg, Westerveld, Drenthe