Average GPS coordinates for Silverdale Postcode location: 53.016, -2.262. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Silverdale on map:

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Listing cities & postcodes (2):
>> Staffordshire, ST5 Silverdale, England, GPS coordinates: 53.0167,-2.2833
>> Staffordshire, ST55 Silverdale, England, Newcastle-under-Lyme District (B), GPS coordinates: 53.0145,-2.24