Area Code +44-8712-(020000...029999) 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 8712 020000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8712 020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
020000 ~ 029999 (Count: 10,000)
Example:
+44-8712-020000 / 0044-8712-020000 (08712-020000 / 0-8712-020000)
+44-8712-020001 / 0044-8712-020001 (08712-020001 / 0-8712-020001)
+44-8712-020002 / 0044-8712-020002 (08712-020002 / 0-8712-020002)
+44-8712-020003 / 0044-8712-020003 (08712-020003 / 0-8712-020003)
+44-8712-020004 / 0044-8712-020004 (08712-020004 / 0-8712-020004)
... +44-8712-xxxxxx / 0044-8712-xxxxxx (08712-xxxxxx / 0-8712-xxxxxx)
... +44-8712-029995 / 0044-8712-029995 (08712-029995 / 0-8712-029995)
+44-8712-029996 / 0044-8712-029996 (08712-029996 / 0-8712-029996)
+44-8712-029997 / 0044-8712-029997 (08712-029997 / 0-8712-029997)
+44-8712-029998 / 0044-8712-029998 (08712-029998 / 0-8712-029998)
+44-8712-029999 / 0044-8712-029999 (08712-029999 / 0-8712-029999)