Average GPS coordinates for Colby Postcode location: 52.821, 1.295. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Colby on map:

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Listing cities & postcodes (1):
>> Norfolk, NR11 Colby, England, GPS coordinates: 52.8205,1.2945