Lista regionu
- 8121 JS - Olst, Olst-Wijhe, Overijssel
- 8121 JT - Olst, Olst-Wijhe, Overijssel
- 8121 KA - Olst, Olst-Wijhe, Overijssel
- 8121 KB - Olst, Olst-Wijhe, Overijssel
- 8121 KC - Olst, Olst-Wijhe, Overijssel
- 8121 KD - Olst, Olst-Wijhe, Overijssel
- 8121 KE - Olst, Olst-Wijhe, Overijssel
- 8121 KG - Olst, Olst-Wijhe, Overijssel
- 8121 KH - Olst, Olst-Wijhe, Overijssel
- 8121 KJ - Olst, Olst-Wijhe, Overijssel
- 8121 PA - Olst, Olst-Wijhe, Overijssel
- 8121 PB - Olst, Olst-Wijhe, Overijssel
- 8121 PC - Olst, Olst-Wijhe, Overijssel
- 8121 PD - Olst, Olst-Wijhe, Overijssel
- 8121 PE - Olst, Olst-Wijhe, Overijssel
- 8121 PG - Olst, Olst-Wijhe, Overijssel
- 8121 PH - Olst, Olst-Wijhe, Overijssel
- 8121 PJ - Olst, Olst-Wijhe, Overijssel
- 8121 PK - Olst, Olst-Wijhe, Overijssel
- 8121 PL - Olst, Olst-Wijhe, Overijssel