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| Districtsnummer | District |
| 1 | Bridgedistrict Amsterdam |
| 2 | Utrecht |
| 3 | 's-Gravenhage e.o. |
| 4 | Noord-Holland |
| 5 | Rotterdam e.o. |
| 6 | Kennemerland |
| 7 | Midden en Oost Gelderland |
| 8 | Maasland & Meierij |
| 9 | Leiden e.o. |
| 10 | IJsselstreek |
| 11 | Zuid Limburg |
| 12 | Groningen |
| 13 | Drenthe |
| 14 | Zeeland |
| 15 | Nijmegen |
| 16 | Dordrecht |
| 17 | Friesland |
| 22 | Delft |
| 23 | Noord en Midden Limburg |
| 24 | Gooi- en Ommeland |
| 25 | Vlaardingen |
| 27 | Twente |
| 28 | West Brabant |
| 29 | Midden Brabant |
| 30 | Zuid Oost Brabant |