Daftar wilayah
- 6661 GJ - Elst, Overbetuwe, Gelderland
- 6661 GK - Elst, Overbetuwe, Gelderland
- 6661 GL - Elst, Overbetuwe, Gelderland
- 6661 GM - Elst, Overbetuwe, Gelderland
- 6661 GN - Elst, Overbetuwe, Gelderland
- 6661 GP - Elst, Overbetuwe, Gelderland
- 6661 GR - Elst, Overbetuwe, Gelderland
- 6661 GS - Elst, Overbetuwe, Gelderland
- 6661 GT - Elst, Overbetuwe, Gelderland
- 6661 GV - Elst, Overbetuwe, Gelderland
- 6661 GW - Elst, Overbetuwe, Gelderland
- 6661 GX - Elst, Overbetuwe, Gelderland
- 6661 GZ - Elst, Overbetuwe, Gelderland
- 6661 HA - Elst, Overbetuwe, Gelderland
- 6661 HB - Elst, Overbetuwe, Gelderland
- 6661 HC - Elst, Overbetuwe, Gelderland
- 6661 HD - Elst, Overbetuwe, Gelderland
- 6661 HE - Elst, Overbetuwe, Gelderland
- 6661 HG - Elst, Overbetuwe, Gelderland
- 6661 HH - Elst, Overbetuwe, Gelderland