Average GPS coordinates for Walton Postcode location: 51.912, -0.748. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Walton on map:

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Listing cities & postcodes (2):
>> Buckinghamshire, HP21 Walton, England, GPS coordinates: 51.8058,-0.806
>> Buckinghamshire, MK7 Walton, England, GPS coordinates: 52.0172,-0.6909