Area Code +44-8438-(630000...639999) located in Special Services basic rate: up to and including 5p for BT customers (non-internet), more detail is as below.
Place
Other Information
Dialling Instructions
For trunk calls: 0 8438 630000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8438 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
630000 ~ 639999 (Count: 10,000)
Example:
+44-8438-630000 / 0044-8438-630000 (08438-630000 / 0-8438-630000)
+44-8438-630001 / 0044-8438-630001 (08438-630001 / 0-8438-630001)
+44-8438-630002 / 0044-8438-630002 (08438-630002 / 0-8438-630002)
+44-8438-630003 / 0044-8438-630003 (08438-630003 / 0-8438-630003)
+44-8438-630004 / 0044-8438-630004 (08438-630004 / 0-8438-630004)
... +44-8438-xxxxxx / 0044-8438-xxxxxx (08438-xxxxxx / 0-8438-xxxxxx)
... +44-8438-639995 / 0044-8438-639995 (08438-639995 / 0-8438-639995)
+44-8438-639996 / 0044-8438-639996 (08438-639996 / 0-8438-639996)
+44-8438-639997 / 0044-8438-639997 (08438-639997 / 0-8438-639997)
+44-8438-639998 / 0044-8438-639998 (08438-639998 / 0-8438-639998)
+44-8438-639999 / 0044-8438-639999 (08438-639999 / 0-8438-639999)