+44-121-(2640000...2649999): Birmingham, Birmingham (BIR) Read more about +44-121-(2640000...2649999)
+44-121-(5270000...5279999): Birmingham, Birmingham (BIR) Read more about +44-121-(5270000...5279999)
+44-1223-(925000...925999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(925000...925999)
+44-1225-(280000...280999): Bath, Bath and North East Somerset (BAS) Read more about +44-1225-(280000...280999)
+44-1225-(943000...943999): Bath, Bath and North East Somerset (BAS) Read more about +44-1225-(943000...943999)