- Callaly
- Cambois
- Capheaton
- Cargo Fleet
- Carham
- Carlin How
- Castle Eden
- Castleside
- Catcleugh
- Catton
- Chatton
- Chester-le-Street
- Chillingham
- Chollerford
- Chollerton
- Choppington
- Coalcleugh
- Coanwood
- Coatham Mundeville
- Cockfield
- Cold Hesledon
- Consett
- Copley
- Corbridge
- Cornhill on Tweed
- Cornsay
- Corsenside
- Cotherstone
- Coundon
- Cowpen
