+44-115-(7870000...7879999): Nottingham, Nottingham (NGM) Read more about +44-115-(7870000...7879999)
+44-1604-(550000...550999): Northampton, Northamptonshire (NTH) Read more about +44-1604-(550000...550999)
+44-20-(37050000...37059999): London, City of London (LND) Read more about +44-20-(37050000...37059999)
+44-20-(37090000...37099999): London, City of London (LND) Read more about +44-20-(37090000...37099999)
+44-20-(37860000...37869999): London, City of London (LND) Read more about +44-20-(37860000...37869999)
