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+44-1273-(448000...448999): Brighton, Brighton and Hove (BNH) Read more about +44-1273-(448000...448999)
+44-161-(2690000...2699999): Manchester, Manchester (MAN) Read more about +44-161-(2690000...2699999)
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+44-20-(37110000...37119999): London, City of London (LND) Read more about +44-20-(37110000...37119999)