Area Code +44-8721-(900000...909999) located in Special Services higher rate: up to and including 10p for BT customers (non-internet), more detail is as below.
Place
Other Information
Dialling Instructions
For trunk calls: 0 8721 900000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8721 900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
900000 ~ 909999 (Count: 10,000)
Example:
+44-8721-900000 / 0044-8721-900000 (08721-900000 / 0-8721-900000)
+44-8721-900001 / 0044-8721-900001 (08721-900001 / 0-8721-900001)
+44-8721-900002 / 0044-8721-900002 (08721-900002 / 0-8721-900002)
+44-8721-900003 / 0044-8721-900003 (08721-900003 / 0-8721-900003)
+44-8721-900004 / 0044-8721-900004 (08721-900004 / 0-8721-900004)
... +44-8721-xxxxxx / 0044-8721-xxxxxx (08721-xxxxxx / 0-8721-xxxxxx)
... +44-8721-909995 / 0044-8721-909995 (08721-909995 / 0-8721-909995)
+44-8721-909996 / 0044-8721-909996 (08721-909996 / 0-8721-909996)
+44-8721-909997 / 0044-8721-909997 (08721-909997 / 0-8721-909997)
+44-8721-909998 / 0044-8721-909998 (08721-909998 / 0-8721-909998)
+44-8721-909999 / 0044-8721-909999 (08721-909999 / 0-8721-909999)