Seznam oblastí
- 6661 WR - Elst, Overbetuwe, Gelderland
- 6661 WS - Elst, Overbetuwe, Gelderland
- 6661 WT - Elst, Overbetuwe, Gelderland
- 6661 WV - Elst, Overbetuwe, Gelderland
- 6661 WX - Elst, Overbetuwe, Gelderland
- 6661 WZ - Elst, Overbetuwe, Gelderland
- 6661 XA - Elst, Overbetuwe, Gelderland
- 6661 XB - Elst, Overbetuwe, Gelderland
- 6661 XC - Elst, Overbetuwe, Gelderland
- 6661 XD - Elst, Overbetuwe, Gelderland
- 6661 XE - Elst, Overbetuwe, Gelderland
- 6661 XG - Elst, Overbetuwe, Gelderland
- 6661 XH - Elst, Overbetuwe, Gelderland
- 6661 XJ - Elst, Overbetuwe, Gelderland
- 6661 XK - Elst, Overbetuwe, Gelderland
- 6661 XL - Elst, Overbetuwe, Gelderland
- 6661 XM - Elst, Overbetuwe, Gelderland
- 6661 XN - Elst, Overbetuwe, Gelderland
- 6661 XP - Elst, Overbetuwe, Gelderland
- 6661 XR - Elst, Overbetuwe, Gelderland