+44-1242-(339000...339999): Cheltenham, Gloucestershire (GLS) Read more about +44-1242-(339000...339999)
+44-1246-(806000...806999): Chesterfield, Derbyshire (DBY) Read more about +44-1246-(806000...806999)
+44-1248-(292000...292999): Bangor (Gwynedd), Gwynedd (GWN) Read more about +44-1248-(292000...292999)