| Postcode district | Post town | Coverage | Local authority |
|---|---|---|---|
| SK1 | STOCKPORT | Stockport | Stockport |
| SK2 | STOCKPORT | Stockport | Stockport |
| SK3 | STOCKPORT | Stockport, Davenport, Edgeley | Stockport |
| SK4 | STOCKPORT | Stockport, Four Heatons | Stockport |
| SK5 | STOCKPORT | Stockport, Brinnington, Reddish | Stockport |
| SK6 | STOCKPORT | Stockport | Stockport |
| SK7 | STOCKPORT | Bramhall, Hazel Grove, Woodford, Stockport | Stockport |
| SK8 | CHEADLE | Cheadle, Cheadle Hulme, Gatley, Heald Green | Stockport |
| SK9 | ALDERLEY EDGE, WILMSLOW | Alderley Edge, Wilmslow, Handforth, Styal | Macclesfield |
| SK10 | MACCLESFIELD | Macclesfield, Bollington | Macclesfield |
| SK11 | MACCLESFIELD | Macclesfield | Macclesfield |
| SK12 | STOCKPORT | Disley, Poynton | Macclesfield |
| SK13 | GLOSSOP | Glossop | High Peak |
| SK14 | HYDE | Hyde, Broadbottom, Gee Cross, Hollingworth, Mottram | Tameside |
| SK15 | STALYBRIDGE | Stalybridge, Carrbrook, Heyrod, Matley, Millbrook | Tameside |
| SK16 | DUKINFIELD | Dukinfield | Tameside |
| SK17 | BUXTON | Buxton, Tideswell | High Peak |
| SK22 | HIGH PEAK | Birch Vale, Hayfield, Little Hayfield, New Mills, Rowarth | High Peak |
| SK23 | HIGH PEAK | Buxworth, Chapel-en-le-Frith, Chinley, Combs, Furness Vale, Kettleshulme, Whaley Bridge | High Peak |
The HIGH PEAK post town (SK22 and SK23 districts) was created in 1996 from part of the STOCKPORT post town (SK12 district).