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+44-131-(6010000...6019999): Edinburgh, City of Edinburgh (EDH) Read more about +44-131-(6010000...6019999)
+44-161-(4610000...4619999): Manchester, Manchester (MAN) Read more about +44-161-(4610000...4619999)
+44-20-(37210000...37219999): London, City of London (LND) Read more about +44-20-(37210000...37219999)