FREE ST ALBANS POSTCODE SECTOR MAP
AL – St Albans Postcode Sector Map 35 mapped sectors · AL1 1 to AL10 9
Explore the 35 mapped postcode sectors in the AL postcode area. The map labels sectors; the directory highlights those with distinct sector-matched places and localities.
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AL postcode sector directory
These 21 sectors each introduce at least one named place or locality not already shown in this directory. The complete map contains 35 sectors. Names are matched to sectors and grouped by shared outward code.
| Sector | Local places |
|---|---|
| AL1 postcode sectors | |
| AL1 1 | St Albans |
| AL2 postcode sectors | |
| AL2 1 | London Colney |
| AL2 2 | How Wood, Colney Street, Frogmore |
| AL2 3 | Smug Oak, Bricket Wood, Chiswell Green, Potters Crouch |
| AL3 postcode sectors | |
| AL3 6 | Childwick Green |
| AL3 7 | Redbourn |
| AL3 8 | Markyate, Flamstead, Trowley Bottom |
| AL4 postcode sectors | |
| AL4 0 | Colney Heath |
| AL4 8 | Wheathampstead, Blackmore End, Lea Valley |
| AL4 9 | Sandridge |
| AL5 postcode sectors | |
| AL5 1 | Harpenden |
| Sector | Local places |
|---|---|
| AL5 postcode sectors (continued) | |
| AL5 2 | Hatching Green |
| AL5 3 | Kinsbourne Green |
| AL6 postcode sectors | |
| AL6 0 | Mardley Hill, Digswell, Oaklands, Tewin, Tewin Wood |
| AL6 9 | Welwyn, Ayot St Lawrence, Ayot St Peter |
| AL7 postcode sectors | |
| AL7 1 | Welwyn Garden City |
| AL8 postcode sectors | |
| AL8 7 | Cromer Hyde, Stanborough |
| AL9 postcode sectors | |
| AL9 5 | Hatfield |
| AL9 6 | Essendon, Wildhill, Woodside |
| AL9 7 | Welham Green, Bell Bar, Brookmans Park, Water End |
| AL10 postcode sectors | |
| AL10 9 | Hatfield Garden Village |
This is a place finder, not a list of every sector or address. A name appears once even when it spans several sectors. Use a current full postcode to check an address.
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