+44-1536-(612000...612999): Kettering, Northamptonshire (NTH) Read more about +44-1536-(612000...612999)
+44-1536-(613000...613999): Kettering, Northamptonshire (NTH) Read more about +44-1536-(613000...613999)
+44-20-(80460000...80469999): London, City of London (LND) Read more about +44-20-(80460000...80469999)
+44-8443-(360000...369999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8443-(360000...369999)
+44-8452-(150000...159999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8452-(150000...159999)
+44-8702-(160000...169999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8702-(160000...169999)
+44-8712-(160000...169999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8712-(160000...169999)
+44-9017-(810000...819999): Special Services, time charged calls up to and including 60ppm and total call cost not greater than £5 or fixed fee up to £1 per Read more about +44-9017-(810000...819999)
+44-9019-(360000...369999): Special Services, time charged calls up to and including 60ppm and total call cost not greater than £5 or fixed fee up to £1 per Read more about +44-9019-(360000...369999)