Average GPS coordinates for Seamer Postcode location: 54.361, -0.836. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Seamer on map:

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Listing cities & postcodes (2):
>> North Yorkshire, TS9 Seamer, England, GPS coordinates: 54.4839,-1.2303
>> North Yorkshire, YO12 Seamer, England, GPS coordinates: 54.2371,-0.4415