Prosečne GPS koordinate za poštanski broj 30931: 27.045, -101.73
Spisak gradova:
>> Francisco I Madero 30931, Chiapas, Amatenango de La Frontera, GPS koordinate: 27.0447,-101.7298
Spisak gradova:
>> Francisco I Madero 30931, Chiapas, Amatenango de La Frontera, GPS koordinate: 27.0447,-101.7298