0990 was Ascot, Berks. (now 01344) & Chobham, Surrey (now 01276).
After Ascot & Chobham were moved off this code,
*All 0990 & 0870 calls result in a payment being made to the 'owner' of the number.
|01992||Waltham Cross, Herts|
|01997||Strathpeffer, Ross & C.|
|01999||0999 BT Test|