Area Code +44-8717-(780000...789999) 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 8717 780000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8717 780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
780000 ~ 789999 (Count: 10,000)
Example:
+44-8717-780000 / 0044-8717-780000 (08717-780000 / 0-8717-780000)
+44-8717-780001 / 0044-8717-780001 (08717-780001 / 0-8717-780001)
+44-8717-780002 / 0044-8717-780002 (08717-780002 / 0-8717-780002)
+44-8717-780003 / 0044-8717-780003 (08717-780003 / 0-8717-780003)
+44-8717-780004 / 0044-8717-780004 (08717-780004 / 0-8717-780004)
... +44-8717-xxxxxx / 0044-8717-xxxxxx (08717-xxxxxx / 0-8717-xxxxxx)
... +44-8717-789995 / 0044-8717-789995 (08717-789995 / 0-8717-789995)
+44-8717-789996 / 0044-8717-789996 (08717-789996 / 0-8717-789996)
+44-8717-789997 / 0044-8717-789997 (08717-789997 / 0-8717-789997)
+44-8717-789998 / 0044-8717-789998 (08717-789998 / 0-8717-789998)
+44-8717-789999 / 0044-8717-789999 (08717-789999 / 0-8717-789999)