Average GPS coordinates for postcode 85509: 28.256, -111.128

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Listing cities:
>> Buenos Aires 85509, Sonora, Guaymas, GPS coordinates: 28.7667,-111.5
>> El Valiente 85509, Sonora, Guaymas, GPS coordinates: 28.0167,-110.95
>> San German 85509, Sonora, Guaymas, GPS coordinates: 27.9833,-110.9333
>> Santa Clara 85509, Sonora, Guaymas, GPS coordinates: 28.2556,-111.1278