Average GPS coordinates for Hallen Postcode location: 51.517, -2.649. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Hallen on map:

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Listing cities & postcodes (1):
>> Gloucestershire, BS10 Hallen, England, GPS coordinates: 51.5169,-2.649