Average GPS coordinates for Maricopa Postcode location: 32.982, -111.993. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Maricopa on map:

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Listing cities & postcodes (2):
>> Arizona, 85138 Maricopa, Pinal County, GPS coordinates: 33.0073,-111.9324
>> Arizona, 85139 Maricopa, Pinal, GPS coordinates: 32.9576,-112.0534