+44-121-(2820000...2829999): Birmingham, Birmingham (BIR) Read more about +44-121-(2820000...2829999)
+44-1223-(774000...774999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(774000...774999)
+44-1223-(933000...933999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(933000...933999)
+44-1223-(936000...936999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(936000...936999)
+44-1223-(937000...937999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(937000...937999)
+44-1223-(938000...938999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(938000...938999)
+44-1223-(939000...939999): Cambridge, Cambridgeshire (CAM) Read more about +44-1223-(939000...939999)
+44-1225-(537000...537999): Bath, Bath and North East Somerset (BAS) Read more about +44-1225-(537000...537999)
+44-1225-(538000...538999): Bath, Bath and North East Somerset (BAS) Read more about +44-1225-(538000...538999)
