SL Postcode Area Area
The SL postcode area is centred on Maidenhead. Here are all of its postcode districts.
12
Districts
10,635
Postcodes
373,407
Population
Postcode districts in the SL area
| District | Post town | Postcodes | Population |
|---|---|---|---|
| SL6 | Maidenhead | 2,295 | 77,532 |
| SL1 | Slough | 1,627 | 70,367 |
| SL4 | Windsor | 1,363 | 43,302 |
| SL2 | Slough | 1,129 | 53,215 |
| SL3 | Slough | 1,087 | 45,192 |
| SL9 | Gerrards Cross | 886 | 21,032 |
| SL5 | Ascot | 883 | 24,177 |
| SL7 | Marlow | 696 | 21,059 |
| SL0 | Iver | 345 | 11,149 |
| SL8 | Bourne End | 268 | 6,382 |
| SL60 | Maidenhead | 32 | — |
| SL95 | Slough | 24 | — |
Frequently asked questions
What does the SL postcode area cover?
The SL postcode area is centred on Maidenhead and contains 12 postcode districts.
How many postcodes are in the SL area?
There are approximately 10,635 postcodes in the SL postcode area.