รายชื่อภูมิภาค
- 1901 VR - Castricum, Castricum, Noord-Holland
- 1901 VS - Castricum, Castricum, Noord-Holland
- 1901 VT - Castricum, Castricum, Noord-Holland
- 1901 VV - Castricum, Castricum, Noord-Holland
- 1901 VW - Castricum, Castricum, Noord-Holland
- 1901 VX - Castricum, Castricum, Noord-Holland
- 1901 VZ - Castricum, Castricum, Noord-Holland
- 1901 WB - Castricum, Castricum, Noord-Holland
- 1901 WC - Castricum, Castricum, Noord-Holland
- 1901 WD - Castricum, Castricum, Noord-Holland
- 1901 WE - Castricum, Castricum, Noord-Holland
- 1901 WG - Castricum, Castricum, Noord-Holland
- 1901 WH - Castricum, Castricum, Noord-Holland
- 1901 WJ - Castricum, Castricum, Noord-Holland
- 1901 WK - Castricum, Castricum, Noord-Holland
- 1901 WL - Castricum, Castricum, Noord-Holland
- 1901 WN - Castricum, Castricum, Noord-Holland
- 1901 WP - Castricum, Castricum, Noord-Holland
- 1901 WR - Castricum, Castricum, Noord-Holland
- 1901 WS - Castricum, Castricum, Noord-Holland