Area Code +44-8723-(370000...379999) 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 370000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8723 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
370000 ~ 379999 (Count: 10,000)
Example:
+44-8723-370000 / 0044-8723-370000 (08723-370000 / 0-8723-370000)
+44-8723-370001 / 0044-8723-370001 (08723-370001 / 0-8723-370001)
+44-8723-370002 / 0044-8723-370002 (08723-370002 / 0-8723-370002)
+44-8723-370003 / 0044-8723-370003 (08723-370003 / 0-8723-370003)
+44-8723-370004 / 0044-8723-370004 (08723-370004 / 0-8723-370004)
... +44-8723-xxxxxx / 0044-8723-xxxxxx (08723-xxxxxx / 0-8723-xxxxxx)
... +44-8723-379995 / 0044-8723-379995 (08723-379995 / 0-8723-379995)
+44-8723-379996 / 0044-8723-379996 (08723-379996 / 0-8723-379996)
+44-8723-379997 / 0044-8723-379997 (08723-379997 / 0-8723-379997)
+44-8723-379998 / 0044-8723-379998 (08723-379998 / 0-8723-379998)
+44-8723-379999 / 0044-8723-379999 (08723-379999 / 0-8723-379999)