| Barking and Dagenham | 301 |
| Barnet | 302 |
| Barnsley | 370 |
| Bath and North East Somerset | 800 |
| Bedford Borough | 822 |
| Bedfordshire | 820 |
| Bexley | 303 |
| Birmingham | 330 |
| Blackburn with Darwen | 889 |
| Blackpool | 890 |
| Bolton | 350 |
| Bournemouth | 837 |
| Bracknell Forest | 867 |
| Bradford | 380 |
| Brent | 304 |
| Brighton and Hove | 846 |
| Bristol City of | 801 |
| Bromley | 305 |
| Buckinghamshire | 825 |
| Bury | 351 |
| Calderdale | 381 |
| Cambridgeshire | 873 |
| Camden | 202 |
| Central Bedfordshire | 823 |
| Cheshire | 875 |
| Cheshire East | 895 |
| Cheshire West and Chester | 896 |
| City of London | 201 |
| Cornwall | 908 |
| Coventry | 331 |
| Croydon | 306 |
| Cumbria | 909 |
| Darlington | 841 |
| Derby | 831 |
| Derbyshire | 830 |
| Devon | 878 |
| Doncaster | 371 |
| Dorset | 835 |
| Dudley | 332 |
| Durham | 840 |
| Ealing | 307 |
| East Riding of Yorkshire | 811 |
| East Sussex | 845 |
| Enfield | 308 |
| Essex | 881 |
| Gateshead | 390 |
| Gloucestershire | 916 |
| Greenwich | 203 |
| Hackney | 204 |
| Halton | 876 |
| Hammersmith and Fulham | 205 |
| Hampshire | 850 |
| Haringey | 309 |
| Harrow | 310 |
| Hartlepool | 805 |
| Havering | 311 |
| Herefordshire | 884 |
| Hertfordshire | 919 |
| Hillingdon | 312 |
| Hounslow | 313 |
| Isle of Wight | 921 |
| Isles Of Scilly | 420 |
| Islington | 206 |
| Kensington and Chelsea | 207 |
| Kent | 886 |
| Kingston upon Hull City of | 810 |
| Kingston upon Thames | 314 |
| Kirklees | 382 |
| Knowsley | 340 |
| Lambeth | 208 |
| Lancashire | 888 |
| Leeds | 383 |
| Leicester | 856 |
| Leicestershire | 855 |
| Lewisham | 209 |
| Lincolnshire | 925 |
| Liverpool | 341 |
| Luton | 821 |
| Manchester | 352 |
| Medway | 887 |
| Merton | 315 |
| Middlesbrough | 806 |
| Milton Keynes | 826 |
| Newcastle upon Tyne | 391 |
| Newham | 316 |
| Norfolk | 926 |
| North East Lincolnshire | 812 |
| North Lincolnshire | 813 |
| North Somerset | 802 |
| North Tyneside | 392 |
| North Yorkshire | 815 |
| Northamptonshire | 928 |
| Northumberland | 929 |
| Nottingham | 892 |
| Nottinghamshire | 891 |
| Oldham | 353 |
| Oxfordshire | 931 |
| Peterborough | 874 |
| Plymouth | 879 |
| Poole | 836 |
| Portsmouth | 851 |
| Reading | 870 |
| Redbridge | 317 |
| Redcar and Cleveland | 807 |
| Richmond upon Thames | 318 |
| Rochdale | 354 |
| Rotherham | 372 |
| Rutland | 857 |
| Salford | 355 |
| Sandwell | 333 |
| Sefton | 343 |
| Sheffield | 373 |
| Shropshire | 893 |
| Slough | 871 |
| Solihull | 334 |
| Somerset | 933 |
| South Gloucestershire | 803 |
| South Tyneside | 393 |
| Southampton | 852 |
| Southend-on-Sea | 882 |
| Southwark | 210 |
| St. Helens | 342 |
| Staffordshire | 860 |
| Stockport | 356 |
| Stockton-on-Tees | 808 |
| Stoke-on-Trent | 861 |
| Suffolk | 935 |
| Sunderland | 394 |
| Surrey | 936 |
| Sutton | 319 |
| Swindon | 866 |
| Tameside | 357 |
| Telford and Wrekin | 894 |
| Thurrock | 883 |
| Torbay | 880 |
| Tower Hamlets | 211 |
| Trafford | 358 |
| Wakefield | 384 |
| Walsall | 335 |
| Waltham Forest | 320 |
| Wandsworth | 212 |
| Warrington | 877 |
| Warwickshire | 937 |
| West Berkshire | 869 |
| West Sussex | 938 |
| Westminster | 213 |
| Wigan | 359 |
| Wiltshire | 865 |
| Windsor and Maidenhead | 868 |
| Wirral | 344 |
| Wokingham | 872 |
| Wolverhampton | 336 |
| Worcestershire | 885 |
| York | 816 |
| British Overseas Establishments | 703 |
| Fieldwork Overseas Establishments | 704 |
| Gibraltar Overseas Establishments | 708 |
| Guernsey Offshore Establishments | 706 |
| Isle of Man Offshore Establishments | 705 |
| Jersey Offshore Establishments | 707 |
| Pre LGR Avon | 901 |
| Pre LGR Bedfordshire | 902 |
| Pre LGR Berkshire | 903 |
| Pre LGR Buckinghamshire | 904 |
| Pre LGR Cambridgeshire | 905 |
| Pre LGR Cheshire | 906 |
| Pre LGR Cleveland | 907 |
| Pre LGR Derbyshire | 910 |
| Pre LGR Devon | 911 |
| Pre LGR Dorset | 912 |
| Pre LGR Durham | 913 |
| Pre LGR East Sussex | 914 |
| Pre LGR Essex | 915 |
| Pre LGR Hampshire | 917 |
| Pre LGR Hereford and Worcester | 918 |
| Pre LGR Humberside | 920 |
| Pre LGR Kent | 922 |
| Pre LGR Lancashire | 923 |
| Pre LGR Leicestershire | 924 |
| Pre LGR North Yorkshire | 927 |
| Pre LGR Nottinghamshire | 930 |
| Pre LGR Shropshire | 932 |
| Pre LGR Staffordshire | 934 |
| Pre LGR Wiltshire | 939 |
| Scotland Offshore Establishments | 701 |
| Service Children's Education | 702 |
| Traveller Education Service | 709 |
| Blaenau Gwent | 677 |
| Bridgend | 672 |
| Caerphilly | 676 |
| Cardiff | 681 |
| Carmarthenshire | 669 |
| Ceredigion | 667 |
| Conwy | 662 |
| Denbighshire | 663 |
| Flintshire | 664 |
| Gwynedd | 661 |
| Isle of Anglesey | 660 |
| Merthyr Tydfil | 675 |
| Monmouthshire | 679 |
| Neath Port Talbot | 671 |
| Newport | 680 |
| Pembrokeshire | 668 |
| Powys | 666 |
| Rhondda, Cynon, Taff | 674 |
| Swansea | 670 |
| The Vale of Glamorgan | 673 |
| Torfaen | 678 |
| Wrexham | 665 |
