| Postcode | Coverage Area |
| AL4 | St Albans, Blackmore End,Colney Heath, London Colney,Jersey Farm,Marshalswick,Oaklands, Sandridge, Smallford,Tyttenhanger,Wheathampstead |
| AL6 | Welwyn,Ayot St Peter,Ayot St Lawrence,Digswell,Rabley Heath,Tewin |
| LU2 | Luton (East),Chiltern Green,Cockernhoe,East Hyde,Lawrence End,Lilley,New Mill End,Peters Green,Tea Green,The Hyde,Wandon End,Wandon Green,Winch Hill |
| SG3 | Knebworth,Datchworth,Woolmer Green |
| SG4 | Hitchin(East),Codicote,Kimpton,Weston,St Ippolyts,Little Wymondley,Whitwell,Graveley,Great Wymondley,Breachwood Green,Gosmore,Preston,St Paul's Walden,Langley,Bendish,Ley Green,King's Walden, Hall's G |
| SG5 | Hitchin(West),Stotfold,Ickleford,Shillington,Offley,Fairfield Park,Pirton,Holwell,Apsley End,Hexton,Charlton,Astwick,Pegsdon,Higham Gobion |
| SG6 | Letchworth,Norton,Willian |
| SG7 | Baldock,Ashwell,Hinxworth,Wallington,Newnham,Bygrave,Radwell,Clothall,Odsey,Caldecote |
| SG8 | Royston,Abington Pigotts,Arrington,Barkway,Barley,Bassingbourn,Chrishall,Croydon,Fowlmere,Great Chishill,Guilden Morden,Heydon,Kelshall,Kneesworth,Litlington,Little Chishill,Melbourn,Meldreth,New Wimp |
| SG9 | Buntingford,Cottered,Great Hormead,Furneux Pelham,Brent Pelham,Stocking Pelham, Hare Street,Anstey,Westmill,Wyddial,Buckland,Aspenden, Chipping,Sandon,Rushden, Throcking,Meesden,Little Hormead |