قائمة بالمنطقة
- 1921 CB - Akersloot, Castricum, Noord-Holland
- 1921 CC - Akersloot, Castricum, Noord-Holland
- 1921 CD - Akersloot, Castricum, Noord-Holland
- 1921 CE - Akersloot, Castricum, Noord-Holland
- 1921 CG - Akersloot, Castricum, Noord-Holland
- 1921 CH - Akersloot, Castricum, Noord-Holland
- 1921 CJ - Akersloot, Castricum, Noord-Holland
- 1921 CK - Akersloot, Castricum, Noord-Holland
- 1921 CL - Akersloot, Castricum, Noord-Holland
- 1921 CM - Akersloot, Castricum, Noord-Holland
- 1921 CN - Akersloot, Castricum, Noord-Holland
- 1921 CP - Akersloot, Castricum, Noord-Holland
- 1921 CR - Akersloot, Castricum, Noord-Holland
- 1921 CS - Akersloot, Castricum, Noord-Holland
- 1921 CT - Akersloot, Castricum, Noord-Holland
- 1921 CV - Akersloot, Castricum, Noord-Holland
- 1921 CW - Akersloot, Castricum, Noord-Holland
- 1921 CX - Akersloot, Castricum, Noord-Holland
- 1921 CZ - Akersloot, Castricum, Noord-Holland
- 1921 DA - Akersloot, Castricum, Noord-Holland