A

Newcastle

B

Leeds

C

Sheffield

D

East Anglia

E

NW Metropolitan

F

NE Metropolitan

G

SE Metropolitan

H

SW Metropolitan

I

Wessex

J

Oxford

K

South Western

L

Birmingham

M

Manchester

N

Liverpool

O

Welsh

P

Eastern (Scotland)

Q

North Eastern (Scotland)

R

Northern (Scotland)

S

South Eastern (Scotland)

T

Western (Scotland)

Blank

Not Applicable