Prosečne GPS koordinate za poštanski broj 79421: 22.208, -100.192

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Spisak gradova:
>> Derramaderos 79421, San Luis Potosi, Cerritos, GPS koordinate: 22.5,-100.2833
>> San Diego 79421, San Luis Potosi, Cerritos, GPS koordinate: 21.9167,-100.1