Gjennomsnittlig GPS-koordinater for postnummer 28209-cedex: 48.083, 1.333
Notering byer:
>> Châteaudun 28209-CEDEX, Centre, Eure-et-Loir, Arrondissement de Châteaudun, GPS-koordinater: 48.0833,1.3333
Notering byer:
>> Châteaudun 28209-CEDEX, Centre, Eure-et-Loir, Arrondissement de Châteaudun, GPS-koordinater: 48.0833,1.3333