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+44-116-(3570000...3579999): Leicester, Leicestershire (LEC) Read more about +44-116-(3570000...3579999)
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+44-121-(2350000...2359999): Birmingham, Birmingham (BIR) Read more about +44-121-(2350000...2359999)
+44-131-(5180000...5189999): Edinburgh, City of Edinburgh (EDH) Read more about +44-131-(5180000...5189999)