Average GPS coordinates for postcode ch42: 53.379, -3.014

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Listing cities:
>> Prenton CH42, Merseyside, England, GPS coordinates: 53.3741,-3.0229
>> Birkenhead CH42, Merseyside, England, GPS coordinates: 53.3934,-3.0148
>> Rock Ferry CH42, Merseyside, England, GPS coordinates: 53.3692,-3.0042