- AVN Avon
- BDF Bedfordshire
- BRK Berkshire
- BKM Buckinghamshire
- CAM Cambridgeshire
- CHS Cheshire
- CLV Cleveland,
- CMA Cumbria
- CON Cornwall
- CUL Cumberland
- DBY Derbyshire
- DEV Devonshire
- DOR Dorset
- DUR Durham
- ESS Essex
- GLS Gloucestershire
- GTM Greater Manchester
- HAM Hampshire
- HEF Herefordshire
- HWR Hereford and Worcester, England
- HRT Hertfordshire
- IOW Isle of Wight
- HUM Humberside
- HUN Huntingdonshire
- IOW Isle of Wight
- KEN Kent
- LAN Lancashire
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- LEI Leicestershire
- LIN Lincolnshire
- LND London (City only)
- MDX Middlesex
- MSY Merseyside
- NFK Norfolk
- NTH Northamptonshire
- NBL Northumberland
- NTT Nottinghamshire
- OXF Oxfordshire
- RUT Rutland
- SAL Shropshire
- SOM Somerset
- STS Staffordshire
- SFK Suffolk
- SRY Surrey
- SSX Sussex
- TWR Tyne and Wear
- WAR Warwickshire
- WES Westmorland
- WIL Wiltshire
- WMD West Midlands
- WOR Worcestershire
- YKS Yorkshire
- ERY Yorkshire East Riding
- NRY Yorkshire North Riding
- WRY Yorkshire West Riding
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