Area Code +44-8724-(830000...839999) 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 8724 830000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8724 830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
830000 ~ 839999 (Count: 10,000)
Example:
+44-8724-830000 / 0044-8724-830000 (08724-830000 / 0-8724-830000)
+44-8724-830001 / 0044-8724-830001 (08724-830001 / 0-8724-830001)
+44-8724-830002 / 0044-8724-830002 (08724-830002 / 0-8724-830002)
+44-8724-830003 / 0044-8724-830003 (08724-830003 / 0-8724-830003)
+44-8724-830004 / 0044-8724-830004 (08724-830004 / 0-8724-830004)
... +44-8724-xxxxxx / 0044-8724-xxxxxx (08724-xxxxxx / 0-8724-xxxxxx)
... +44-8724-839995 / 0044-8724-839995 (08724-839995 / 0-8724-839995)
+44-8724-839996 / 0044-8724-839996 (08724-839996 / 0-8724-839996)
+44-8724-839997 / 0044-8724-839997 (08724-839997 / 0-8724-839997)
+44-8724-839998 / 0044-8724-839998 (08724-839998 / 0-8724-839998)
+44-8724-839999 / 0044-8724-839999 (08724-839999 / 0-8724-839999)