Regiunea lista
- 1901 CA - Castricum, Castricum, Noord-Holland
- 1901 CB - Castricum, Castricum, Noord-Holland
- 1901 CC - Castricum, Castricum, Noord-Holland
- 1901 CD - Castricum, Castricum, Noord-Holland
- 1901 CE - Castricum, Castricum, Noord-Holland
- 1901 CG - Castricum, Castricum, Noord-Holland
- 1901 CH - Castricum, Castricum, Noord-Holland
- 1901 CJ - Castricum, Castricum, Noord-Holland
- 1901 CK - Castricum, Castricum, Noord-Holland
- 1901 CL - Castricum, Castricum, Noord-Holland
- 1901 CM - Castricum, Castricum, Noord-Holland
- 1901 CN - Castricum, Castricum, Noord-Holland
- 1901 CP - Castricum, Castricum, Noord-Holland
- 1901 CR - Castricum, Castricum, Noord-Holland
- 1901 CS - Castricum, Castricum, Noord-Holland
- 1901 CT - Castricum, Castricum, Noord-Holland
- 1901 CV - Castricum, Castricum, Noord-Holland
- 1901 CW - Castricum, Castricum, Noord-Holland
- 1901 CX - Castricum, Castricum, Noord-Holland
- 1901 CZ - Castricum, Castricum, Noord-Holland