| Postcode/district |
Post town |
Coverage |
Local authority area(s) |
| SL0 |
IVER |
Iver, Iver Heath, Richings Park, Thorney |
Buckinghamshire |
| SL1 |
SLOUGH |
Slough, Burnham, Cippenham, Farnham Royal, Stoke Poges, Littleworth, Farnham Common |
Slough, Buckinghamshire |
| SL2 |
SLOUGH |
Britwell, Farnham Common, Farnham Royal, Stoke Poges, Egypt, Hedgerley |
Slough, Buckinghamshire |
| SL3 |
SLOUGH |
Langley, Datchet, Colnbrook, Poyle, Horton, Fulmer, George Green, Wexham, part of Richings Park |
Slough, Buckinghamshire, Windsor and Maidenhead |
| SL5 |
ASCOT |
Ascot, Sunninghill, Sunningdale, North Ascot, South Ascot, Burleigh, Cheapside |
Windsor and Maidenhead, Bracknell Forest |
