Gjennomsnittlig GPS-koordinater for postnummer 28987: 28.483, -106.239

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Notering byer:
>> Alta Villa 28987, Colima, Villa de Alvarez, Villa de Alvarez, GPS-koordinater: 27.9833,-105.7833
>> La Haciendita 28987, Colima, Villa de Alvarez, Villa de Alvarez, GPS-koordinater: 28.6333,-106.1833
>> San Carlos 28987, Colima, Villa de Alvarez, Villa de Alvarez, GPS-koordinater: 28.8333,-106.75
>> Villas Providencia 28987, Colima, Villa de Alvarez, Villa de Alvarez, GPS-koordinater: 28.4833,-106.2389