Prosečne GPS koordinate za poštanski broj 28712: 28.942, -107.383

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Spisak gradova:
>> La Presa 28712, Colima, Ixtlahuacan, GPS koordinate: 28.7833,-107.7167
>> Las Anonas 28712, Colima, Ixtlahuacan, GPS koordinate: 28.9417,-107.3833
>> Lazaro Cardenas 28712, Colima, Ixtlahuacan, GPS koordinate: 29.1,-107.05