Registration Area Codes pre-2001

R Derbyshire
RA Nottingham
RB Nottingham
RC Nottingham (Derby until 1974)
RD Reading
RE Stoke-on-Trent
RF Stoke-on-Trent
RG Newcastle upon Tyne (Aberdeen until 1974)
RH Hull
RJ Manchester (Salford until 1974)
RK Croydon (changed to London (NW) from 1967
RL Truro
RM Carlisle
RN Preston
RO Luton (Hertfordshire until 1974)
RP Northampton
RR Nottingham
RS Aberdeen
RT Ipswich (East Suffolk until 1974)
RU Bournemouth
RV Portsmouth
RW Coventry
RX Reading
RY Leicester