+44-8448-(340000...349999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8448-(340000...349999)
+44-8448-(410000...419999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8448-(410000...419999)
+44-8448-(640000...649999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8448-(640000...649999)
+44-8449-(820000...829999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8449-(820000...829999)
+44-8453-(610000...619999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8453-(610000...619999)
+44-8709-(290000...299999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8709-(290000...299999)
+44-8713-(530000...539999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8713-(530000...539999)
+44-8714-(500000...509999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8714-(500000...509999)
+44-8715-(190000...199999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8715-(190000...199999)
+44-8715-(450000...459999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8715-(450000...459999)
