| Value | Category |
|---|---|
| 001 | London (parts of Middlesex, Surrey and Kent) |
| 002 | Surrey (extra London) |
| 003 | Kent (extra London) |
| 004 | Sussex |
| 005 | Hampshire |
| 006 | Berkshire |
| 007 | Middlesex (extra London) |
| 008 | Hertfordshire |
| 009 | Buckinghamshire |
| 010 | Oxfordshire |
| 011 | Northamptonshire |
| 012 | Huntingdonshire |
| 013 | Bedfordshire |
| 014 | Cambrdigeshire |
| 015 | Essex |
| 016 | Suffolk |
| 017 | Norfolk |
| 018 | Wiltshire |
| 019 | Dorset |
| 020 | Devon |
| 021 | Cornwall |
| 022 | Somerset |
| 023 | Gloucestershire |
| 024 | Herefordshire |
| 025 | Shropshire |
| 026 | Staffordshire |
| 027 | Worcestershire |
| 028 | Warwickshire |
| 029 | Leicestershire |
| 030 | Rutland |
| 031 | Lincolnshire |
| 032 | Nottinghamshire |
| 033 | Derbyshire |
| 034 | Cheshire |
| 035 | Lancashire |
| 036 | Yorkshire East Riding (with York) |
| 038 | Yorkshire North Riding |
| 040 | Durham |
| 041 | Northumberland |
| 042 | Westmorland |
| 043 | Cumberland |
| 044 | Monmouthshire |
| 045 | Glamorganshire |
| 046 | Carmarthenshire |
| 047 | Pembrokeshire |
| 048 | Cardiganshire |
| 049 | Brecknockshire |
| 050 | Radnorshire |
| 052 | Flintshire |
| 053 | Denbighshire |
| 054 | Merionethshire |
| 055 | Carnarvonshire |
| 056 | Anglesey |
| 039 | Yorkshire West Riding |
| 051 | Montgomeryshire |
| 060 | Guernsey and Adjacent Isles |
| 061 | Isle of Man |
| 062 | Jersey |
| 200 | British ships in home ports |
| 201 | Shipping at sea and in ports abroad |
| 202 | Royal navy at seas and in ports abroad |