| Postcode | Coverage Area |
| HP5 | Chesham,Ashley Green,Bellingdon,Botley,Chartridge,Hawridge,Latimer,Lye Green,Newtown,Waterside,Whelpley Hill |
| HP6 | Amersham(North),Chesham Bois,Hyde Heath,Little Chalfont |
| HP7 | Amersham (South),Coleshill,Little Chalfont,Little Missenden,Penn Street,Winchmore Hill |
| HP8 | Chalfont St Giles |
| HP9 | Beaconsfield,Forty Green,Holtspur,Jordans,Knotty Green,Seer Green |
| HP10 | High Wycombe,Flackwell Heath,Handy Cross,Hedsor,Loudwater,Penn,Tylers Green,Wooburn,Wooburn Green,Wooburn Moor |
| HP15 | Cryers Hill,Great Kingshill,Hazlemere,Holmer Green,Hughenden Valley |
| HP16 | Great Missenden,Ballinger,The Lee,Little Hampden,Little Kingshill,Prestwood,South Heath |
| HP23 | Aldbury,Buckland Common,Cholesbury,Hastoe,Long Marston,Marsworth,New Mill,Puttenham,St Leonards,Tring,Wigginton,Wilstone |
| SL9 | Gerrards Cross,Chalfont St Peter,Chalfont Common, Horn Hill |
| WD3 | Rickmansworth,Chorleywood,Croxley Green,Loudwater,Mill End,Maple Cross,Sarratt,Batchworth,Chenies,Harefield(Part),West Hyde,Heronsgate, Chandlers Cross |