Daftar wilayah
- 9774 PA - Adorp, Winsum, Groningen
- 9774 PB - Adorp, Winsum, Groningen
- 9774 PC - Adorp, Winsum, Groningen
- 9774 PD - Adorp, Winsum, Groningen
- 9774 PE - Adorp, Winsum, Groningen
- 9774 PG - Adorp, Winsum, Groningen
- 9774 PH - Adorp, Winsum, Groningen
- 9774 PJ - Adorp, Winsum, Groningen
- 9774 PK - Adorp, Winsum, Groningen
- 9774 PL - Adorp, Winsum, Groningen
- 9774 PM - Adorp, Winsum, Groningen
- 9774 PN - Adorp, Winsum, Groningen
- 9774 PP - Adorp, Winsum, Groningen
- 9774 PR - Adorp, Winsum, Groningen
- 9774 PS - Adorp, Winsum, Groningen
- 9774 PT - Adorp, Winsum, Groningen
- 9774 PV - Adorp, Winsum, Groningen
- 9774 PW - Adorp, Winsum, Groningen
- 9774 PX - Adorp, Winsum, Groningen
- 9774 RA - Adorp, Winsum, Groningen