Area Code +44-9031-(510000...519999) located in Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers, more detail is as below.
Place
Other Information
Dialling Instructions
For trunk calls: 0 9031 510000 (Trunk Code + National Destination Code + Subscriber Number)
For international calls: 00 44 9031 510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number)
Telephone Number List
510000 ~ 519999 (Count: 10,000)
Example:
+44-9031-510000 / 0044-9031-510000 (09031-510000 / 0-9031-510000)
+44-9031-510001 / 0044-9031-510001 (09031-510001 / 0-9031-510001)
+44-9031-510002 / 0044-9031-510002 (09031-510002 / 0-9031-510002)
+44-9031-510003 / 0044-9031-510003 (09031-510003 / 0-9031-510003)
+44-9031-510004 / 0044-9031-510004 (09031-510004 / 0-9031-510004)
... +44-9031-xxxxxx / 0044-9031-xxxxxx (09031-xxxxxx / 0-9031-xxxxxx)
... +44-9031-519995 / 0044-9031-519995 (09031-519995 / 0-9031-519995)
+44-9031-519996 / 0044-9031-519996 (09031-519996 / 0-9031-519996)
+44-9031-519997 / 0044-9031-519997 (09031-519997 / 0-9031-519997)
+44-9031-519998 / 0044-9031-519998 (09031-519998 / 0-9031-519998)
+44-9031-519999 / 0044-9031-519999 (09031-519999 / 0-9031-519999)