- Postcodes MK18 1, MK18 7 and MK18 6
Buckingham town and Maids Moreton*
- Postcodes MK18 2
Addington****, Adstock***, Botolph Claydon****, Calvert****, East Claydon****, Middle Claydon****, Padbury**, Steeple Claydon****, Thornborough****, Verney Junction****
- Postcodes MK18 3
Dunton****, Granborough****, Hoggeston****, Hogshaw****, Littlecote****, North Marston****, Winslow****
- Postcodes MK18 4
Barton Hartshorn, Chetwode, Finmere, Gawcott, Hillsden, Lenborough, Little Tingewick, Newton Purcell, Preston Bissett, Radclive*, Tingewick*, Twyford
- Postcodes MK18 5
Akeley*, Akeley Wood, Bufflers Holt, Chackmore *, Dadford*, Foscote, Leckhampstead*, Lillingstone Dayrell*, Lillingstone Lovell*, Shalstone*, Stowe*, Water Stratford *
- Postcodes MK17
Great Horwood*****, Little Horwood*****
* denotes villages which have received MK18 throughout 2005
** new addition to MK18 from November/December 2006
*** new addition to MK18 from March/April 2008
**** new addition to MK18 from January/February 2009
***** new addition to MK18 from January/February 2011