Area Code +44-8431-(040000...049999) 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 8431 040000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 8431 040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
040000 ~ 049999 (Count: 10,000)
Example:
+44-8431-040000 / 0044-8431-040000 (08431-040000 / 0-8431-040000)
+44-8431-040001 / 0044-8431-040001 (08431-040001 / 0-8431-040001)
+44-8431-040002 / 0044-8431-040002 (08431-040002 / 0-8431-040002)
+44-8431-040003 / 0044-8431-040003 (08431-040003 / 0-8431-040003)
+44-8431-040004 / 0044-8431-040004 (08431-040004 / 0-8431-040004)
... +44-8431-xxxxxx / 0044-8431-xxxxxx (08431-xxxxxx / 0-8431-xxxxxx)
... +44-8431-049995 / 0044-8431-049995 (08431-049995 / 0-8431-049995)
+44-8431-049996 / 0044-8431-049996 (08431-049996 / 0-8431-049996)
+44-8431-049997 / 0044-8431-049997 (08431-049997 / 0-8431-049997)
+44-8431-049998 / 0044-8431-049998 (08431-049998 / 0-8431-049998)
+44-8431-049999 / 0044-8431-049999 (08431-049999 / 0-8431-049999)