| Central Ayrshire | Scotland | S14000109 |
| Central Devon | England | E14001155 |
| Central Suffolk and North Ipswich | England | E14001156 |
| Ceredigion Preseli | Wales | W07000093 |
| Chatham and Aylesford | England | E14001157 |
| Cheadle | England | E14001158 |
| Chelmsford | England | E14001159 |
| Chelsea and Fulham | England | E14001160 |
| Cheltenham | England | E14001161 |
| Chesham and Amersham | England | E14001162 |
| Chester North and Neston | England | E14001163 |
| Chester South and Eddisbury | England | E14001164 |
| Chesterfield | England | E14001165 |
| Chichester | England | E14001166 |
| Chingford and Woodford Green | England | E14001167 |
| Chippenham | England | E14001168 |
| Chipping Barnet | England | E14001169 |
| Chorley | England | E14001170 |
| Christchurch | England | E14001171 |
| Cities of London and Westminster | England | E14001172 |
| City of Durham | England | E14001173 |
| Clacton | England | E14001174 |
| Clapham and Brixton Hill | England | E14001175 |
| Clwyd East | Wales | W07000094 |
| Clwyd North | Wales | W07000095 |
| Coatbridge and Bellshill | Scotland | S14000070 |
| Colchester | England | E14001176 |
| Colne Valley | England | E14001177 |
| Congleton | England | E14001178 |
| Corby and East Northamptonshire | England | E14001179 |
| Coventry East | England | E14001180 |
| Coventry North West | England | E14001181 |
| Coventry South | England | E14001182 |
| Cowdenbeath and Kirkcaldy | Scotland | S14000071 |
| Cramlington and Killingworth | England | E14001183 |
| Crawley | England | E14001184 |
| Crewe and Nantwich | England | E14001185 |
| Croydon East | England | E14001186 |
| Croydon South | England | E14001187 |
| Croydon West | England | E14001188 |
| Cumbernauld and Kirkintilloch | Scotland | S14000072 |
| Dagenham and Rainham | England | E14001189 |
| Darlington | England | E14001190 |
| Dartford | England | E14001191 |
| Daventry | England | E14001192 |
| Derby North | England | E14001193 |
| Derby South | England | E14001194 |
| Derbyshire Dales | England | E14001195 |
| Dewsbury and Batley | England | E14001196 |
| Didcot and Wantage | England | E14001197 |
| Doncaster Central | England | E14001198 |
| Doncaster East and the Isle of Axholme | England | E14001199 |
| Doncaster North | England | E14001200 |
| Dorking and Horley | England | E14001201 |
| Dover and Deal | England | E14001202 |
| Droitwich and Evesham | England | E14001203 |
| Dudley | England | E14001204 |
| Dulwich and West Norwood | England | E14001205 |
| Dumfries and Galloway | Scotland | S14000073 |
| Dumfriesshire, Clydesdale and Tweeddale | Scotland | S14000074 |
| Dundee Central | Scotland | S14000075 |
| Dunfermline and Dollar | Scotland | S14000076 |
| Dunstable and Leighton Buzzard | England | E14001206 |
| Dwyfor Meirionnydd | Wales | W07000096 |
| Ealing Central and Acton | England | E14001207 |
| Ealing North | England | E14001208 |
| Ealing Southall | England | E14001209 |
| Earley and Woodley | England | E14001210 |
| Easington | England | E14001211 |
| East Antrim | Northern Ireland | N05000005 |
| East Grinstead and Uckfield | England | E14001212 |
| East Ham | England | E14001213 |
| East Hampshire | England | E14001214 |
| East Kilbride and Strathaven | Scotland | S14000077 |
| East Londonderry | Northern Ireland | N05000006 |
| East Renfrewshire | Scotland | S14000021 |
| East Surrey | England | E14001215 |
| East Thanet | England | E14001216 |
| East Wiltshire | England | E14001217 |
| East Worthing and Shoreham | England | E14001218 |
| Eastbourne | England | E14001219 |
| Eastleigh | England | E14001220 |
| Edinburgh East and Musselburgh | Scotland | S14000078 |
| Edinburgh North and Leith | Scotland | S14000079 |
| Edinburgh South | Scotland | S14000080 |
| Edinburgh South West | Scotland | S14000081 |
| Edinburgh West | Scotland | S14000082 |
| Edmonton and Winchmore Hill | England | E14001221 |
| Ellesmere Port and Bromborough | England | E14001222 |
| Eltham and Chislehurst | England | E14001223 |
| Ely and East Cambridgeshire | England | E14001224 |
| Enfield North | England | E14001225 |
| Epping Forest | England | E14001226 |
| Epsom and Ewell | England | E14001227 |
| Erewash | England | E14001228 |
| Erith and Thamesmead | England | E14001229 |
| Esher and Walton | England | E14001230 |
| Exeter | England | E14001231 |
| Exmouth and Exeter East | England | E14001232 |
| Falkirk | Scotland | S14000083 |
| Fareham and Waterlooville | England | E14001233 |
| Farnham and Bordon | England | E14001234 |
| Faversham and Mid Kent | England | E14001235 |
| Feltham and Heston | England | E14001236 |
| Fermanagh and South Tyrone | Northern Ireland | N05000007 |
| Filton and Bradley Stoke | England | E14001237 |
| Finchley and Golders Green | England | E14001238 |
| Folkestone and Hythe | England | E14001239 |
| Forest of Dean | England | E14001240 |
| Foyle | Northern Ireland | N05000008 |
| Frome and East Somerset | England | E14001241 |
| Fylde | England | E14001242 |
| Gainsborough | England | E14001243 |
| Gateshead Central and Whickham | England | E14001244 |
| Gedling | England | E14001245 |
| Gillingham and Rainham | England | E14001246 |
| Glasgow East | Scotland | S14000084 |
| Glasgow North | Scotland | S14000085 |
| Glasgow North East | Scotland | S14000086 |
| Glasgow South | Scotland | S14000087 |