Liste de la région
- 1901 XV - Castricum, Castricum, Noord-Holland
- 1901 XW - Castricum, Castricum, Noord-Holland
- 1901 XX - Castricum, Castricum, Noord-Holland
- 1901 XZ - Castricum, Castricum, Noord-Holland
- 1901 ZA - Castricum, Castricum, Noord-Holland
- 1901 ZB - Castricum, Castricum, Noord-Holland
- 1901 ZC - Castricum, Castricum, Noord-Holland
- 1901 ZD - Castricum, Castricum, Noord-Holland
- 1901 ZE - Castricum, Castricum, Noord-Holland
- 1901 ZN - Castricum, Castricum, Noord-Holland
- 1901 ZP - Castricum, Castricum, Noord-Holland
- 1902 AA - Castricum, Castricum, Noord-Holland
- 1902 AB - Castricum, Castricum, Noord-Holland
- 1902 AC - Castricum, Castricum, Noord-Holland
- 1902 AD - Castricum, Castricum, Noord-Holland
- 1902 AE - Castricum, Castricum, Noord-Holland
- 1902 AG - Castricum, Castricum, Noord-Holland
- 1902 AH - Castricum, Castricum, Noord-Holland
- 1902 AJ - Castricum, Castricum, Noord-Holland
- 1902 AK - Castricum, Castricum, Noord-Holland