+44-121-(5810000...5819999): Birmingham, Birmingham (BIR) Read more about +44-121-(5810000...5819999)
+44-1223-(816000...816999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(816000...816999)
+44-1225-(960000...960999): Bath, Bath and North East Somerset (BAS) Read more about +44-1225-(960000...960999)
+44-1229-(240000...240999): Barrow-in-Furness, Cumbria (CMA) Read more about +44-1229-(240000...240999)