Average GPS coordinates for Roydon Postcode location: 52.579, 0.806. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Roydon on map:

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Listing cities & postcodes (2):
>> Norfolk, IP22 Roydon, England, GPS coordinates: 52.3809,1.0854
>> Norfolk, PE32 Roydon, England, GPS coordinates: 52.7763,0.5261