Gjennomsnittlig GPS-koordinater for postnummer 21721: 32.421, -115.218
Notering byer:
>> Hidalgo 21721, Baja California, Mexicali, GPS-koordinater: 32.4208,-115.2175
Notering byer:
>> Hidalgo 21721, Baja California, Mexicali, GPS-koordinater: 32.4208,-115.2175