Postmark Locations
If you are looking for a particular postmark location, select the firstletter of the postmark location, and then select the postmark.
- Caddy, Antrim
- Caerlaverock
- Caerleon
- Caerllion
- Caernarfon
- Caernarvon
- Caerphilly
- Caistor
- Caithness
- Calais
- Calderdale
- Caldey Island
- Caledonian TPO
- California, Halifax
- California, Wokingham
- Calke Abbey
- Callanish, Isle of Lewis
- Callington
- Calne
- Calshot
- Camberley
- Camberwell
- Camborne
- Cambridge
- Camden Town
- Camelford
- Camel's Head
- Campbell Argyll
- Campbeltown
- Campden Town
- Campden, Glos
- Cannock
- Cannon Street EC
- Canterbury
- Canvey Island
- Capel St. Mary
- Carbis Bay
- Cardiff
- Cardigan
- Cargo Centre, Heathrow
- Carisbrooke
- CarkeinCartmel
- Carlisle
- Carlow
- Carluke
- Carmarthen
- Carnforth
- Carnoustie
- Carr
- Carrickfergus
- Carshalton
- Carsington
- Carstairs Junction
- Castle Acre
- Castle Boulevard
- Castle Bromwich
- Castle Cary
- Castle Donington
- Castle Douglas
- Castle Espie
- Castle Howard
- Castle Place
- Castle Rd, Southsea
- CastleBlaney
- Castlecatt
- Castleford
- Castletown
- Catbrook
- Catcott, Bridgwater
- Caterham
- Catfield
- Catford
- Catsash
- Catsfield
- Catsham
- Catshill
- Catstree
- Catterick Garrison
- Cattistock
- Cattle Market
- Catton
- Causewayhead
- Caverswall
- Cawsand
- Caxton
- Cedar Road
- Chalfont Common
- Chalk, Gravesend
- Chancery Lane
- Chapel
- Chapel-en-le-Frith
- Charing Cross
- Charlbury
- Charlestown
- Charlton
- Charterhouse
- Chartwell
- Chatham
- Chawton
- Cheadle
- Cheddar
- Cheesden
- Cheetham Hill
- Chelford
- Chellaston
- Chelmsford
- Chelsea
- Chelsea Royal Hospital
- Cheltenham
- Chemistry, Whitchurch
- Chepstow
- Cherbourg
- Cheriton, Folkestone
- Cherry Orchard
- Cherry Tree
- Chertsey
- Chesham
- Chester
- Chesterfield
- Chester-le-Street
- Chestnut Grove
- Chestnut Terrace
- Chichester
- Chigwell
- Child Okeford
- Childrey
- Childs Hill
- Chillingham
- Chilvers Coton
- Chilwell
- Chinatown
- Chingford
- Chingford Station
- Chippenham
- Chipperfield
- Chipping Campden
- Chipping Norton
- Chipping Sodbury
- Chipping, Preston
- Chirk
- Chislehurst
- Chiswick
- Chobham
- Chopwell
- Chorley
- Christ Church
- Christchurch
- Christleton
- Christmas Common
- Christmas Hill
- Chudleigh
- Church
- Church End, Finchley
- Church Stretton
- Church Village
- Church, Freshwater
- Churchill
- Churton
- Cinderford
- Cirencester
- City Branch Glasgow
- Clacton on Sea
- Clapham
- Clarence House
- Cleckheaton
- Cleethorpes
- Cleveland
- Cley, Holt
- Clifton
- Clitheroe
- Clockface
- Clowne
- Clutton Bristol
- Clwyd
- Clyde Submarine Base
- Clyde Valley
- Clydebank
- Clyst St George
- Coalbrookdale
- Coalville
- Coast, Achnasheen
- Cobham
- Cockermouth
- Cogges, Witney
- Coggeshall
- Colchester
- Cold Christmas, Ware
- Coldridge
- Coldstream
- Coleford
- Coleraine
- College Town
- Collieston
- Colne
- Colsterworth
- Coltishall
- Colwyn
- Comberton
- Coneysthorpe
- Congleton
- Coningsby
- Coniston
- Consett
- Constable Burton
- Conway
- Conwy
- Cookham
- Cookstown
- Copplestone
- Coquelles
- Corby
- Corfe Castle
- Cork
- Coronation Road
- Coronation Square
- Corsham
- Corwen
- Cosford Camp
- Cottesmore, Oakham
- Cottingham, Yorks
- Cottingley, Bingley
- Cotton Tree
- County Down
- Covent Garden
- Coventry
- Cowes
- Cowley
- Cowley Centre
- Cowplain
- Crab Lane
- Cradley Heath
- Cranbrook
- Cranford
- Cranwell
- Crathie
- Crawley
- Crediton
- Crewe
- Crewe-Peterborough TPO
- Crewkerne
- Criccieth
- Crich
- Crick
- Cricklade
- Cricklewood
- Cromarty
- Cromer
- Cromford Mills
- Crook
- Cross Hands
- Cross Keys
- Cross-in-Hand
- Crow Bank, Wallsend
- Crowborough
- Crowthorne Station
- Croydon
- Cruden Bay
- Crufts Birmingham
- Crumlin
- Crystal Palace
- Cuckfield
- Cuffley, Potters Bar
- Culdrose
- Cullompton
- Culross