Lista de região
- 6661 NT - Elst, Overbetuwe, Gelderland
- 6661 NV - Elst, Overbetuwe, Gelderland
- 6661 NW - Elst, Overbetuwe, Gelderland
- 6661 NX - Elst, Overbetuwe, Gelderland
- 6661 NZ - Elst, Overbetuwe, Gelderland
- 6661 PA - Elst, Overbetuwe, Gelderland
- 6661 PB - Elst, Overbetuwe, Gelderland
- 6661 PC - Elst, Overbetuwe, Gelderland
- 6661 PD - Elst, Overbetuwe, Gelderland
- 6661 PE - Elst, Overbetuwe, Gelderland
- 6661 PG - Elst, Overbetuwe, Gelderland
- 6661 PH - Elst, Overbetuwe, Gelderland
- 6661 PJ - Elst, Overbetuwe, Gelderland
- 6661 PK - Elst, Overbetuwe, Gelderland
- 6661 PL - Elst, Overbetuwe, Gelderland
- 6661 PM - Elst, Overbetuwe, Gelderland
- 6661 PN - Elst, Overbetuwe, Gelderland
- 6661 PP - Elst, Overbetuwe, Gelderland
- 6661 PR - Elst, Overbetuwe, Gelderland
- 6661 PS - Elst, Overbetuwe, Gelderland