Average GPS coordinates for El Greco Postcode location: 31.033, -111.2. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Greco on map:

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Listing cities & postcodes (1):
>> Sonora, 84066 El Greco, Nogales, Nogales, GPS coordinates: 31.0333,-111.2