Average GPS coordinates for Tunas Postcode location: -9.777, -77.685. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Tunas on map:

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Listing cities & postcodes (3):
>> Ancash, 02607 Tunas, Huaraz, GPS coordinates: -9.72604, -77.84352
>> Ancash, 02600 Tunas, Huaraz, GPS coordinates: -9.55652, -77.66561
>> Ancash, 02495 Tunas, Recuay, GPS coordinates: -10.04784, -77.54485