| Abbey |
| Barking |
| Barnet |
| Bexley |
| Brent |
| Brighton and Hove |
| Bromley |
| Buckinghamshire |
| Camden |
| Chelsea |
| Kensington |
| City Of London |
| Croydon |
| Dagenham |
| Ealing |
| East |
| East Sussex |
| Enfield |
| Essex |
| Greenwich |
| Grinstead |
| Hackney |
| West Ham |
| Hammersmith |
| Haringey |
| Harrow |
| Havering |
| Heath |
| Hertfordshire |
| Hillingdon |
| Hounslow |
| Island |
| Islington |
| Kent |
| Kingston |
| Kingston Upon Thames |
| Lambeth |
| Lewisham |
| London |
| Malden |
| Medway |
| Merton |
| Newham |
| Redbridge |
| Richmond |
| Slough |
| Southend-on-Sea |
| Southwark |
| Surrey |
| Sutton |
| Thurrock |
| Waltham |
| Wandsworth |
| West Sussex |
| Westminster |
Free UK & N.I Frequency Database Searching – Database Updated On 26/01/2021
