Average GPS coordinates for Callanca Postcode location: -15.902, -70.051. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Callanca on map:

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Listing cities & postcodes (3):
>> Puno, 21500 Callanca, El Collao, GPS coordinates: -16.10085, -69.64681
>> Puno, 21770 Callanca, Lampa, GPS coordinates: -15.70481, -70.61196
>> Puno, 21515 Callanca, Puno, GPS coordinates: -15.89937, -69.89569