Average GPS coordinates for El Alto Postcode location: -8.648, -78.069. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Alto on map:

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Listing cities & postcodes (5):
>> Ancash, 02660 El Alto, Casma, GPS coordinates: -9.47278, -78.28661
>> Ancash, 02875 El Alto, Pallasca, GPS coordinates: -8.26972, -77.85756
>> Ancash, 02835 El Alto, Pallasca, GPS coordinates: -8.27527, -77.99755
>> Ancash, 02865 El Alto, Pallasca, GPS coordinates: -8.21287, -77.90994
>> Ancash, 02815 El Alto, Santa, GPS coordinates: -9.01023, -78.29129