Average GPS coordinates for El Arenal Postcode location: -6.299, -76.712. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Arenal on map:

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Listing cities & postcodes (2):
>> San Martin, 22100 El Arenal, Moyobamba, GPS coordinates: -6.14848, -76.92365
>> San Martin, 22160 El Arenal, San Martín, GPS coordinates: -6.45000, -76.50000