Here is a list of towns in the uk that begin with the letter c, you can place your council or housing association exchange in the one where you live.

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caerphilly
calne
camberley
cambridge
camelford
campbeltown
canterbury
cardiff
cardigan
carlisle
carloway
carluke
carmarthen
carnforth
carrickfergus
carshalton
castle couglas
castlederg
castletown
castlewellan
caterham
cemaes bay
chard
chatham
chatteris
cheadle
cheam
cheddar
chelmsford
chepstow
chertsey
chesham
chester
chesterfield
chester-le-street
chichester
chippenham
chipping norton
chorley
christchurch
cinderford
cirencester
clacton-on-sea
cleethorpes
clevedon
clitheroe
clogher
coalville
coatbridge
cobham
cockermouth
colchester
coleraine
colwyn bay
coniston
consett
conwy
cookstown
corbridge
corby
corwen
coulsdon
coventry
craigavon
cramlington
cranleigh
craven arms
crawley
crediton
crewe
crieff
cromer
crowborough
croy
croydon
crumlin
cullompton
cupar
cwmbran