Postcode 1623 Boundary Map
Leaflet | Tiles © Esri — Source: Esri, DeLorme, NAVTEQ, USGS, Intermap, iPC, NRCAN, Esri Japan, METI, Esri China (Hong Kong), Esri (Thailand), TomTom, 2012
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| Postcode | 1623 |
| Postcode Name | Hoorn |
| Province | North Holland |
| Municipality | Hoorn |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postcodes | 1621 1624 1628 |