C West Riding of Yorks
CA Denbighshire
CB Blackburn
CC Caernarfonshire
CD Brighton
CE Cambridgeshire
CF West Suffolk
CG Hampshire
CH Derby
CI Loaoighis
CJ Herefordshire
CK Preston
CL Norwich
CM Birkenhead
CN Gateshead
CO Plymouth
CP Halifax
CR Southampton
CS Ayshire
CT Parts of Kesteven (Lincs)
CU South Sheilds
CV Cornwall
CW Burnley
CX Huddersfield
CY Swansea
CZ Belfast