Liste de la région
- 8121 RN - Olst, Olst-Wijhe, Overijssel
- 8121 RP - Olst, Olst-Wijhe, Overijssel
- 8121 RR - Olst, Olst-Wijhe, Overijssel
- 8121 RS - Olst, Olst-Wijhe, Overijssel
- 8121 RT - Olst, Olst-Wijhe, Overijssel
- 8121 RV - Olst, Olst-Wijhe, Overijssel
- 8121 RW - Olst, Olst-Wijhe, Overijssel
- 8121 RX - Olst, Olst-Wijhe, Overijssel
- 8121 RZ - Olst, Olst-Wijhe, Overijssel
- 8121 SB - Olst, Olst-Wijhe, Overijssel
- 8121 SC - Olst, Olst-Wijhe, Overijssel
- 8121 SE - Olst, Olst-Wijhe, Overijssel
- 8121 SG - Olst, Olst-Wijhe, Overijssel
- 8121 SH - Olst, Olst-Wijhe, Overijssel
- 8121 SJ - Olst, Olst-Wijhe, Overijssel
- 8121 SK - Olst, Olst-Wijhe, Overijssel
- 8121 SL - Olst, Olst-Wijhe, Overijssel
- 8121 SM - Olst, Olst-Wijhe, Overijssel
- 8121 SN - Olst, Olst-Wijhe, Overijssel
- 8121 SP - Olst, Olst-Wijhe, Overijssel