Gjennomsnittlig GPS-koordinater for postnummer 21403-cedex: 47.859, 4.574
Notering byer:
>> Châtillon-sur-Seine 21403-CEDEX, Bourgogne, Côte-d'Or, Arrondissement de Montbard, GPS-koordinater: 47.8585,4.5737
Notering byer:
>> Châtillon-sur-Seine 21403-CEDEX, Bourgogne, Côte-d'Or, Arrondissement de Montbard, GPS-koordinater: 47.8585,4.5737