+44-1223-(966000...966999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(966000...966999)
+44-1225-(283000...283999): Bath, Bath and North East Somerset (BAS) Read more about +44-1225-(283000...283999)
+44-1229-(234000...234999): Barrow-in-Furness, Cumbria (CMA) Read more about +44-1229-(234000...234999)