| Postcode | Coverage Area |
| HP4 | Berkhamsted,Dagnall,Dudswell,Little Gaddesden,Northchurch,Potten End,Ringshall |
| HP17 | Aston Sandford,Bishopstone,Butlers Cross,Dinton,Dorton,Ellesborough,Ford,The Kimbles,Kingsey,Haddenham,Meadle,Nash Lee,Stone,Upton,Westlington |
| HP18 | Ashendon,Berryfields,Boarstall,Brill,Chearsley,Chilton,Cuddington,Dorton,Easington,Edgcott,Grendon Underwood,Ickford,Kingswood,Long Crendon,Lower Winchendon,Ludgershall,Oakley,Shabbington,Upper Winche |
| HP19 | Aylesbury,Berryfields,Buckingham Park,Fairford Leys,Prebendal Farm,Quarrendon,Watermead |
| HP20 | Aylesbury, Aylesbury Town Centre,Broughton,Elmhurst |
| HP21 | Aylesbury,Bedgrove,Elm Farm,Queens Park,Southcourt,Walton,Walton Court |
| HP22 | Aston Abbotts,Aston Clinton,Bierton,Buckland,Drayton Beauchamp,Dunsmore,Halton,Hardwick,Hulcott,North Lee,Nup End,Oving,Pitchcott,Quainton,Rowsham,Stoke Mandeville,Weedon,Wendover,Weston Turville,Whit |
| LU6 | Dunstable (West),Eaton Bray,Edlesborough,Holywell,Kensworth,Northall,Sewell,Studham,Totternhoe,Whipsnade |
| LU7 | Leighton Buzzard,Bragenham,Briggington,Burcott,Cheddington,Chelmscote,Clipstone,Crafton,Cublington,Eggington,Great Billington,Grove,Heath And Reach,Hockliffe,Horton,Hollingdon,Ivinghoe,Ivinghoe Aston, |
| MK3 | Church Green, Far Bletchley, Old Bletchley,Newton Leys,West Bletchley |
| MK4 | Emerson Valley, Furzton, Kingsmead, Oxley Park,Shenley Brook End, Snelshall West,Tattenhoe, Tattenhoe Park, Westcroft, Whaddon, Woodhill |
| MK17 | Aspley Guise,Battlesden,Bow Brickhill,Drayton Parslow,Eversholt,Great Brickhill,Great Horwood,Hulcote,Little Brickhill,Little Horwood,Milton Bryan,Mursley,Nash,Newton Longville,Potsgrove,Salford,Stoke |
| MK18 | Addington,Adstock,Akeley,Barton Hartshorn,Botolph Claydon,Buckingham,Calvert,Chackmore,Chetwode,Dadford,Dunton,East Claydon,Finmere,Foscott,Gawcott,Granborough,Hillesden,Hoggeston,Leckhamstead,Lilling |
| MK19 | Beachampton,Calverton,Castlethorpecosgrove,Deanshanger,Hanslope,Haversham,Little Linford,Long Street,Old Stratford,Passenham,Upper Weald,Wicken |
| NN13 | Brackley,Croughton,Farthinghoe,Hinton-in-the-hedges,Westbury,Turweston,Mixbury |
| OX5 | Kidlington,Yarnton,Begbroke,Tackley,Murcott,Charlton-on-otmoor,Fencott,Islip |
| OX27 | Ardley,Bainton, Baynards Green,Bucknell,Caversfield,Charndon,Fewcott,Fringford,Fritwell,Godington,Hardwick,Hethe,Marsh Gibbon, Newton Morrell,Poundon,Souldern,Stoke Lyne,Stratton Audley,Tusmore |