Average GPS coordinates for Laguna Postcode location: -8.342, -77.825. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Laguna on map:

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Listing cities & postcodes (3):
>> Ancash, 02870 Laguna, Pallasca, GPS coordinates: -8.26667, -77.90000
>> Ancash, 02865 Laguna, Pallasca, GPS coordinates: -8.21287, -77.90994
>> Ancash, 02228 Laguna, Sihuas, GPS coordinates: -8.54541, -77.66385