Gjennomsnittlig GPS-koordinater for postnummer 91350: 48.654, 2.393
Notering byer:
>> Grigny 91350, Île-de-France, Essonne, Arrondissement d'Évry, GPS-koordinater: 48.6541,2.3934
Notering byer:
>> Grigny 91350, Île-de-France, Essonne, Arrondissement d'Évry, GPS-koordinater: 48.6541,2.3934