Area Code +44-8712-(730000...739999) 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 730000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8712 730000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
730000 ~ 739999 (Count: 10,000)
Example:
+44-8712-730000 / 0044-8712-730000 (08712-730000 / 0-8712-730000)
+44-8712-730001 / 0044-8712-730001 (08712-730001 / 0-8712-730001)
+44-8712-730002 / 0044-8712-730002 (08712-730002 / 0-8712-730002)
+44-8712-730003 / 0044-8712-730003 (08712-730003 / 0-8712-730003)
+44-8712-730004 / 0044-8712-730004 (08712-730004 / 0-8712-730004)
... +44-8712-xxxxxx / 0044-8712-xxxxxx (08712-xxxxxx / 0-8712-xxxxxx)
... +44-8712-739995 / 0044-8712-739995 (08712-739995 / 0-8712-739995)
+44-8712-739996 / 0044-8712-739996 (08712-739996 / 0-8712-739996)
+44-8712-739997 / 0044-8712-739997 (08712-739997 / 0-8712-739997)
+44-8712-739998 / 0044-8712-739998 (08712-739998 / 0-8712-739998)
+44-8712-739999 / 0044-8712-739999 (08712-739999 / 0-8712-739999)