Gjennomsnittlig GPS-koordinater for postnummer 503-01: 50.233, 15.808
Notering byer:
>> Plácky 503-01, Hradec Králové, GPS-koordinater: 50.2333,15.8167
>> Plotiště nad Labem 503-01, Hradec Králové, GPS-koordinater: 50.2333,15.8
Notering byer:
>> Plácky 503-01, Hradec Králové, GPS-koordinater: 50.2333,15.8167
>> Plotiště nad Labem 503-01, Hradec Králové, GPS-koordinater: 50.2333,15.8