Daftar wilayah
- 9681 EC - Midwolda, Oldambt, Groningen
- 9681 GA - Midwolda, Oldambt, Groningen
- 9681 GB - Midwolda, Oldambt, Groningen
- 9681 GC - Midwolda, Oldambt, Groningen
- 9681 GD - Midwolda, Oldambt, Groningen
- 9681 GE - Midwolda, Oldambt, Groningen
- 9681 GG - Midwolda, Oldambt, Groningen
- 9681 GH - Midwolda, Oldambt, Groningen
- 9681 GJ - Midwolda, Oldambt, Groningen
- 9681 GK - Midwolda, Oldambt, Groningen
- 9681 GL - Midwolda, Oldambt, Groningen
- 9681 GM - Midwolda, Oldambt, Groningen
- 9681 TM - Midwolda, Oldambt, Groningen
- 9681 TN - Midwolda, Oldambt, Groningen
- 9681 TP - Midwolda, Oldambt, Groningen
- 9681 TR - Midwolda, Oldambt, Groningen
- 9681 TW - Midwolda, Oldambt, Groningen
- 9681 TZ - Midwolda, Oldambt, Groningen