+44-8438-(680000...689999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(680000...689999)
+44-8438-(700000...709999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(700000...709999)
+44-8438-(720000...729999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(720000...729999)
+44-8438-(740000...749999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(740000...749999)
+44-8438-(770000...779999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(770000...779999)
+44-8438-(780000...789999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(780000...789999)
+44-8451-(340000...349999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8451-(340000...349999)
+44-8709-(570000...579999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8709-(570000...579999)
+44-8726-(860000...869999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8726-(860000...869999)
+44-8726-(890000...899999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8726-(890000...899999)
