+44-1246-(798000...798999): Chesterfield, Derbyshire (DBY) Read more about +44-1246-(798000...798999)
+44-1248-(527000...527999): Bangor (Gwynedd), Gwynedd (GWN) Read more about +44-1248-(527000...527999)
+44-1254-(458000...458999): Blackburn, Blackburn with Darwen (BBD) Read more about +44-1254-(458000...458999)