Gjennomsnittlig GPS-koordinater for postnummer 42400: 45.474, 4.525
Notering byer:
>> Saint-Chamond 42400, Rhône-Alpes, Loire, Arrondissement de Saint-Étienne, GPS-koordinater: 45.4736,4.5254
Notering byer:
>> Saint-Chamond 42400, Rhône-Alpes, Loire, Arrondissement de Saint-Étienne, GPS-koordinater: 45.4736,4.5254