| Country | Netherlands (NL) |
| UN/LOCODE | NWK |
| Name | Nieuwkoop |
| Name Without Diacritics | Nieuwkoop |
| Function Code | --3----- |
| Function | Road |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 9602 |
| Timezone | Europe/Amsterdam |
| Latitude Longitude | 52.1508, 4.7764 |