Gjennomsnittlig GPS-koordinater for postnummer 21840: 32.405, -115.028
Notering byer:
>> Hermosillo 21840, Baja California, Mexicali, GPS-koordinater: 32.5103,-114.9233
>> Pescadores 21840, Baja California, Mexicali, GPS-koordinater: 32.3,-115.1333
Notering byer:
>> Hermosillo 21840, Baja California, Mexicali, GPS-koordinater: 32.5103,-114.9233
>> Pescadores 21840, Baja California, Mexicali, GPS-koordinater: 32.3,-115.1333