Prefix AL contains 10 postcode records across 47 mapped localities in United Kingdom.
| Postal Code | Locality / District | Administrative Area | Coordinates |
|---|---|---|---|
| St Albans | Hertfordshire · England | 51.75, -0.3333 | |
| Hatfield | Hertfordshire · England | 51.7634, -0.2242 | |
| Bricket Wood | Hertfordshire · England | 51.7206, -0.3149 | |
| Chiswell Green | Hertfordshire · England | 51.7206, -0.3149 | |
| Colney Street | Hertfordshire · England | 51.7206, -0.3149 | |
| Frogmore | Hertfordshire · England | 51.7206, -0.3149 | |
| London Colney | Hertfordshire · England | 51.7245, -0.2965 | |
| Park Street | Hertfordshire · England | 51.7167, -0.3333 | |
| Potters Crouch | Hertfordshire · England | 51.7206, -0.3149 | |
| Smug Oak | Hertfordshire · England | 51.7206, -0.3149 | |
| Redbourn | Hertfordshire · England | 51.799, -0.3959 | |
| Trowley Bottom | Hertfordshire · England | 51.8379, -0.4399 | |
| St Stephens | Hertfordshire · England | 51.8379, -0.4399 | |
| St Albans | Hertfordshire · England | 51.75, -0.3333 | |
| Cheverell's Green | Hertfordshire · England | 51.8379, -0.4399 | |
| Markyate | Hertfordshire · England | 51.8385, -0.4635 | |
| Flamstead | Hertfordshire · England | 51.8197, -0.4371 | |
| Church End | Hertfordshire · England | 51.7798, -0.3762 | |
| Childwick Green | Hertfordshire · England | 51.8379, -0.4399 | |
| Sandridge | Hertfordshire · England | 51.7809, -0.3052 | |
| The Folly | Hertfordshire · England | 51.7768, -0.2843 | |
| Wheathampstead | Hertfordshire · England | 51.8115, -0.2937 | |
| Marshall's Heath | Hertfordshire · England | 51.7768, -0.2843 | |
| Colney Heath | Hertfordshire · England | 51.7379, -0.2539 | |
| Blackmore End | Hertfordshire · England | 51.7768, -0.2843 | |
| Harpenden | Hertfordshire · England | 51.8168, -0.3571 | |
| Hatching Green | Hertfordshire · England | 51.8168, -0.3571 | |
| Kinsbourne Green | Hertfordshire · England | 51.8168, -0.3571 | |
| Ayot St Lawrence | Hertfordshire · England | 51.8362, -0.2682 | |
| Ayot St Peter | Hertfordshire · England | 51.8167, -0.2167 | |
| Burnham Green | Hertfordshire · England | 51.8257, -0.2137 | |
| Harmer Green | Hertfordshire · England | 51.8257, -0.2137 | |
| Oaklands | Hertfordshire · England | 51.8257, -0.2137 | |
| Tewin | Hertfordshire · England | 51.8167, -0.1561 | |
| Welwyn | Hertfordshire · England | 51.8331, -0.2136 | |
| Hatfield Hyde | Hertfordshire · England | 51.7969, -0.1871 | |
| Cromer Hyde | Hertfordshire · England | 51.8126, -0.1993 | |
| Digswell | Hertfordshire · England | 51.8234, -0.1917 | |
| Lemsford | Hertfordshire · England | 51.8126, -0.1993 | |
| Stanborough | Hertfordshire · England | 51.8126, -0.1993 | |
| Welwyn Garden City | Hertfordshire · England | 51.8017, -0.2069 | |
| Bell Bar | Hertfordshire · England | 51.7449, -0.1984 | |
| Brookmans Park | Hertfordshire · England | 51.7449, -0.1984 | |
| Essendon | Hertfordshire · England | 51.7632, -0.1548 | |
| Water End | Hertfordshire · England | 51.7449, -0.1984 | |
| Welham Green | Hertfordshire · England | 51.7449, -0.1984 | |
| Wildhill | Hertfordshire · England | 51.7449, -0.1984 | |
| Woodside | Hertfordshire · England | 51.7449, -0.1984 |
Based on 48 records, 10 postal code values and 47 mapped localities. Coordinate coverage is 100.0%.
| Postal code | Locality | Administrative path | Coordinates |
|---|---|---|---|
| AL1 | St Albans | England / Hertfordshire | 51.75, -0.3333 |
| AL10 | Hatfield | England / Hertfordshire | 51.7634, -0.2242 |
| AL2 | Bricket Wood | England / Hertfordshire | 51.7206, -0.3149 |
| AL2 | Chiswell Green | England / Hertfordshire | 51.7206, -0.3149 |
| AL2 | Colney Street | England / Hertfordshire | 51.7206, -0.3149 |
| AL2 | Frogmore | England / Hertfordshire | 51.7206, -0.3149 |