Area Code +44-8448-(990000...999999) located in Special Services basic rate: up to and including 5p for BT customers (non-internet), more detail is as below.
Place
Other Information
Dialling Instructions
For trunk calls: 0 8448 990000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8448 990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
990000 ~ 999999 (Count: 10,000)
Example:
+44-8448-990000 / 0044-8448-990000 (08448-990000 / 0-8448-990000)
+44-8448-990001 / 0044-8448-990001 (08448-990001 / 0-8448-990001)
+44-8448-990002 / 0044-8448-990002 (08448-990002 / 0-8448-990002)
+44-8448-990003 / 0044-8448-990003 (08448-990003 / 0-8448-990003)
+44-8448-990004 / 0044-8448-990004 (08448-990004 / 0-8448-990004)
... +44-8448-xxxxxx / 0044-8448-xxxxxx (08448-xxxxxx / 0-8448-xxxxxx)
... +44-8448-999995 / 0044-8448-999995 (08448-999995 / 0-8448-999995)
+44-8448-999996 / 0044-8448-999996 (08448-999996 / 0-8448-999996)
+44-8448-999997 / 0044-8448-999997 (08448-999997 / 0-8448-999997)
+44-8448-999998 / 0044-8448-999998 (08448-999998 / 0-8448-999998)
+44-8448-999999 / 0044-8448-999999 (08448-999999 / 0-8448-999999)