SL postcode area

The SL postcode area, also known as the Slough postcode area^[2], is a group of postal districts around Ascot, Bourne End, Gerrards Cross, Iver, Maidenhead, Marlow, Slough and Windsor in England.

Coverage

The approximate coverage of the postal districts:

Postal district	Post town	Coverage	Local authority
SL0	IVER	Iver, Iver Heath, Richings Park, Thorney	South Bucks
SL1	SLOUGH	Burnham, Littleworth, Salt Hill, Slough, Upton,	South Bucks, Slough
SL2	SLOUGH	Farnham Common,Farnham Royal, Hedgerley, Stoke Poges	South Bucks
SL3	SLOUGH	Colnbrook, Datchet, Fulmer, George Green, Horton, Langley, Poyle	Slough, South Bucks, Windsor and Maidenhead
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.	South Bucks, Windsor and Maidenhead.
SL7	MARLOW	Bisham, Little Marlow, Lower Woodend, Buckinghamshire, Marlow, Medmenham.	South Bucks, Windsor and Maidenhead
SL8	BOURNE END	Bourne End, Well End, Buckinghamshire	South Bucks
SL9	GERRARDS CROSS	Chalfont Common, Chalfont St Peter, Gerrards Cross, Horn Hill	South Bucks
SL95	SLOUGH	non-geographic (Royal Mail)

The adjacent postcode areas are (clockwise from east) - UB (Southall) - TW (Twickenham) - GU (Guildford) - RG (Reading) - HP (Hemel Hempstead) - WD (Watford) .