Gjennomsnittlig GPS-koordinater for postnummer 600009: 13.066, 80.267
Notering byer:
>> Fort St George 600009, Tamil Nadu, Chennai, GPS-koordinater: 13.0656,80.2672
Notering byer:
>> Fort St George 600009, Tamil Nadu, Chennai, GPS-koordinater: 13.0656,80.2672