+44-121-(3240000...3249999): Birmingham, Birmingham (BIR) Read more about +44-121-(3240000...3249999)
+44-131-(3230000...3239999): Edinburgh, City of Edinburgh (EDH) Read more about +44-131-(3230000...3239999)
+44-161-(6930000...6939999): Manchester, Manchester (MAN) Read more about +44-161-(6930000...6939999)
+44-191-(8010000...8019999): Tyneside, South Tyneside (STY) Read more about +44-191-(8010000...8019999)