Gjennomsnittlig GPS-koordinater for postnummer 31931: 19.044, -103.884
Notering byer:
>> Alvaro Obregon 31931, Chihuahua, Ignacio Zaragoza, GPS-koordinater: 19.0441,-103.8842
Notering byer:
>> Alvaro Obregon 31931, Chihuahua, Ignacio Zaragoza, GPS-koordinater: 19.0441,-103.8842