Seznam oblastí
- 6661 XS - Elst, Overbetuwe, Gelderland
- 6661 XT - Elst, Overbetuwe, Gelderland
- 6661 XV - Elst, Overbetuwe, Gelderland
- 6661 XW - Elst, Overbetuwe, Gelderland
- 6661 XX - Elst, Overbetuwe, Gelderland
- 6661 XZ - Elst, Overbetuwe, Gelderland
- 6661 ZC - Elst, Overbetuwe, Gelderland
- 6661 ZD - Elst, Overbetuwe, Gelderland
- 6661 ZE - Elst, Overbetuwe, Gelderland
- 6661 ZG - Elst, Overbetuwe, Gelderland
- 6661 ZH - Elst, Overbetuwe, Gelderland
- 6661 ZJ - Elst, Overbetuwe, Gelderland
- 6661 ZK - Elst, Overbetuwe, Gelderland
- 6661 ZL - Elst, Overbetuwe, Gelderland
- 6661 ZM - Elst, Overbetuwe, Gelderland
- 6661 ZN - Elst, Overbetuwe, Gelderland
- 6661 ZR - Elst, Overbetuwe, Gelderland
- 6661 ZS - Elst, Overbetuwe, Gelderland
- 6661 ZP - Elst, Overbetuwe, Gelderland
- 6661 ZT - Elst, Overbetuwe, Gelderland