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+44-116-(3140000...3149999): Leicester, Leicestershire (LEC) Read more about +44-116-(3140000...3149999)
+44-121-(2630000...2639999): Birmingham, Birmingham (BIR) Read more about +44-121-(2630000...2639999)
+44-131-(2560000...2569999): Edinburgh, City of Edinburgh (EDH) Read more about +44-131-(2560000...2569999)
+44-161-(3640000...3649999): Manchester, Manchester (MAN) Read more about +44-161-(3640000...3649999)
+44-20-(30790000...30799999): London, City of London (LND) Read more about +44-20-(30790000...30799999)