Gjennomsnittlig GPS-koordinater for postnummer 21820: 32.448, -115.083
Notering byer:
>> Quintana Roo 21820, Baja California, Mexicali, GPS-koordinater: 32.4653,-115.0847
>> Toluca 21820, Baja California, Mexicali, GPS-koordinater: 32.4297,-115.0811
Notering byer:
>> Quintana Roo 21820, Baja California, Mexicali, GPS-koordinater: 32.4653,-115.0847
>> Toluca 21820, Baja California, Mexicali, GPS-koordinater: 32.4297,-115.0811