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postinumerot (11 kohdat):
YO1 (7)
YO10 (1)
YO11 (7)
YO12 (8)
YO13 (20)
YO14 (6)
YO15 (6)
YO16 (5)
YO17 (51)
YO18 (15)
YO19 (9)
Keskimääräinen GPS-koordinaatit postinumero yo1: 53.958, -1.083

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Listatut kaupungit:
>> Murton YO1, North Yorkshire, England, GPS-koordinaatit: 53.9586,-1.0828
>> Naburn YO1, North Yorkshire, England, GPS-koordinaatit: 53.9586,-1.0828
>> Osbaldwick YO1, North Yorkshire, England, GPS-koordinaatit: 53.9586,-1.0828
>> York YO1, North Yorkshire, England, GPS-koordinaatit: 53.9576,-1.0827
>> Dunnington YO1, North Yorkshire, England, GPS-koordinaatit: 53.9586,-1.0828
>> Heslington YO1, North Yorkshire, England, GPS-koordinaatit: 53.9586,-1.0828
>> Fulford YO1, North Yorkshire, England, GPS-koordinaatit: 53.9586,-1.0828