Average GPS coordinates for Mayfield Postcode location: 35.27, -99.68. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Mayfield on map:

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Listing cities & postcodes (1):
>> Oklahoma, 73656 Mayfield, Beckham, GPS coordinates: 35.2695,-99.6801