Average GPS coordinates for Silla Postcode location: -11.086, -75.59. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Silla on map:

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Listing cities & postcodes (4):
>> Huanuco, 10120 Silla, Leoncio Prado, GPS coordinates: -14.83020, -74.55712
>> Huanuco, 10230 Silla, Pachitea, GPS coordinates: -9.79994, -75.88342
>> Huanuco, 10210 Silla, Pachitea, GPS coordinates: -9.89837, -76.00759
>> Huanuco, 10220 Silla, Pachitea, GPS coordinates: -9.81637, -75.91176