SL0 IVER Iver, Iver Heath, Richings Park, Thorney South Bucks
SL1 SLOUGH Burnham, Littleworth, Salt Hill, Slough, Upton, Cippenham South Bucks, Slough
SL2 SLOUGH Farnham Common, Farnham Royal, Hedgerley, Stoke Poges South Bucks
SL3 SLOUGH Colnbrook, Datchet, Fulmer, George Green, Horton, Langley, Poyle
SL4 WINDSOR Boveney, Clewer, Cranbourne, Dorney, Eton, Eton Wick, Fifield, Oakley Green, Old Windsor, Spital, Windsor, Berkshire, Winkfield, Woodside. Bracknell Forest, South Bucks, Slough, Windsor and Maidenhead
SL5 ASCOT Ascot, Burleigh, Cheapside, North Ascot, South Ascot, Sunningdale, Sunninghill Windsor and Maidenhead
SL6 MAIDENHEAD Bray, Bray Wick, Burchett's Green, Cookham, Cookham Dean, Cookham Rise, Furze Platt, Hitcham, Holyport, Hurley, Hurley Bottom, Littlewick Green, Maidenhead, Paley Street, Pinkneys Green, Stud Green, Taplow, Touchen End, White Waltham, Woodlands Park.
SL7 MARLOW Bisham, Little Marlow, Lower Woodend, Buckinghamshire, Marlow, Marlow Bottom, Medmenham.
SL8 BOURNE END Bourne End, Well End, Buckinghamshire South Bucks
SL9 GERRARDS CROSS Chalfont Common, Chalfont St Peter, Gerrards Cross, Horn Hill South Bucks