+44-121-(4380000...4389999): Birmingham, Birmingham (BIR) Read more about +44-121-(4380000...4389999)
+44-161-(4790000...4799999): Manchester, Manchester (MAN) Read more about +44-161-(4790000...4799999)
+44-20-(34530000...34539999): London, City of London (LND) Read more about +44-20-(34530000...34539999)
+44-8433-(460000...469999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8433-(460000...469999)
+44-8433-(470000...479999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8433-(470000...479999)
+44-8433-(480000...489999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8433-(480000...489999)
+44-8433-(490000...499999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8433-(490000...499999)
+44-8433-(580000...589999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8433-(580000...589999)
+44-8703-(560000...569999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8703-(560000...569999)
+44-8714-(760000...769999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8714-(760000...769999)
