Area Code +44-8721-(910000...919999) 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 910000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8721 910000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
910000 ~ 919999 (Count: 10,000)
Example:
+44-8721-910000 / 0044-8721-910000 (08721-910000 / 0-8721-910000)
+44-8721-910001 / 0044-8721-910001 (08721-910001 / 0-8721-910001)
+44-8721-910002 / 0044-8721-910002 (08721-910002 / 0-8721-910002)
+44-8721-910003 / 0044-8721-910003 (08721-910003 / 0-8721-910003)
+44-8721-910004 / 0044-8721-910004 (08721-910004 / 0-8721-910004)
... +44-8721-xxxxxx / 0044-8721-xxxxxx (08721-xxxxxx / 0-8721-xxxxxx)
... +44-8721-919995 / 0044-8721-919995 (08721-919995 / 0-8721-919995)
+44-8721-919996 / 0044-8721-919996 (08721-919996 / 0-8721-919996)
+44-8721-919997 / 0044-8721-919997 (08721-919997 / 0-8721-919997)
+44-8721-919998 / 0044-8721-919998 (08721-919998 / 0-8721-919998)
+44-8721-919999 / 0044-8721-919999 (08721-919999 / 0-8721-919999)