Area Code +44-8723-(720000...729999) 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 8723 720000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8723 720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
720000 ~ 729999 (Count: 10,000)
Example:
+44-8723-720000 / 0044-8723-720000 (08723-720000 / 0-8723-720000)
+44-8723-720001 / 0044-8723-720001 (08723-720001 / 0-8723-720001)
+44-8723-720002 / 0044-8723-720002 (08723-720002 / 0-8723-720002)
+44-8723-720003 / 0044-8723-720003 (08723-720003 / 0-8723-720003)
+44-8723-720004 / 0044-8723-720004 (08723-720004 / 0-8723-720004)
... +44-8723-xxxxxx / 0044-8723-xxxxxx (08723-xxxxxx / 0-8723-xxxxxx)
... +44-8723-729995 / 0044-8723-729995 (08723-729995 / 0-8723-729995)
+44-8723-729996 / 0044-8723-729996 (08723-729996 / 0-8723-729996)
+44-8723-729997 / 0044-8723-729997 (08723-729997 / 0-8723-729997)
+44-8723-729998 / 0044-8723-729998 (08723-729998 / 0-8723-729998)
+44-8723-729999 / 0044-8723-729999 (08723-729999 / 0-8723-729999)