HMRC's 0845 helpline numbers will be no more from December 2014, as they swap all lines permanently over to the 03 prefix.
All helpline numbers have now moved to 03 lines, but the Revenue has kept many 0845 equivalents to "minimise inconvenience" for users.
But from December this year, all 0845 lines will close.
HMRC said that in August, those still using 0845 numbers will hear a message about the imminent change giving the relevant 03 number they will need to use from December.
The Revenue's 0845 phone lines had been criticised by the Public Accounts Committee due to the high cost for the user and long waiting times.
It then began moving to 03 numbers around April last year.
But the overhaul has upset some AccountingWEB members, who...