Gjennomsnittlig GPS-koordinater for postnummer 40688: 18.054, -100.333
Notering byer:
>> Los Nopales 40688, Guerrero, Tlalchapa, GPS-koordinater: 17.7333,-100.2
>> San Juan 40688, Guerrero, Tlalchapa, GPS-koordinater: 18.375,-100.4667
Notering byer:
>> Los Nopales 40688, Guerrero, Tlalchapa, GPS-koordinater: 17.7333,-100.2
>> San Juan 40688, Guerrero, Tlalchapa, GPS-koordinater: 18.375,-100.4667