AL1 4 is a postcode sector in St Albans, UK. Below is a complete list of AL1 4 Postcodes (Active). AL1 4 postcode sector comprises of 230 active postcodes. AL1 4 sector has a population of 9640, and it has 3555 properties in the region.
| Population | 9640 |
| Addresses / Property Count | 3555 |
| Active Postcodes | 230 |
| Nearby Postcode Districts | 9 |
| Nearby Postcode Sectors | 5 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| AL1 4LQ | 51.75249000 | -0.31232900 | 8 | 24 | 516594 | 207325 |
| AL1 4LR | 51.75227800 | -0.31554800 | 11 | 14 | 516372 | 207296 |
| AL1 4LS | 51.75241900 | -0.31596300 | N/A | N/A | 516343 | 207311 |
| AL1 4LU | 51.75227900 | -0.31892900 | 1 | 1 | 516139 | 207291 |
| AL1 4LW | 51.75198500 | -0.31450100 | 5 | 12 | 516445 | 207265 |
| AL1 4LX | 51.75279000 | -0.31231300 | N/A | N/A | 516594 | 207358 |
| AL1 4NE | 51.75190100 | -0.32312500 | 15 | 37 | 515850 | 207242 |
| AL1 4NF | 51.75352900 | -0.32401200 | 1 | 1 | 515785 | 207422 |
| AL1 4NG | 51.75325600 | -0.32101700 | 42 | 121 | 515992 | 207396 |
| AL1 4NH | 51.75562000 | -0.32094400 | 3 | 11 | 515991 | 207659 |
| AL1 4NJ | 51.75620900 | -0.32318200 | 15 | 41 | 515835 | 207721 |
| AL1 4NL | 51.75585100 | -0.32331200 | 16 | 38 | 515827 | 207681 |
| AL1 4NN | 51.75639500 | -0.32108900 | 5 | 22 | 515979 | 207745 |
| AL1 4NP | 51.75768800 | -0.32096900 | 17 | 42 | 515984 | 207889 |
| AL1 4NQ | 51.75609900 | -0.32047700 | 20 | 47 | 516022 | 207713 |
| AL1 4NR | 51.75773300 | -0.32219900 | 12 | 44 | 515899 | 207892 |
| AL1 4NS | 51.75777600 | -0.32269000 | 20 | 63 | 515865 | 207896 |
| AL1 4NT | 51.75668800 | -0.32271600 | 22 | 78 | 515866 | 207775 |
| AL1 4NU | 51.75683600 | -0.31920400 | 7 | 27 | 516108 | 207797 |
| AL1 4NW | 51.75768800 | -0.32031700 | 13 | 41 | 516029 | 207890 |
| AL1 4NX | 51.75674700 | -0.31738100 | 10 | 30 | 516234 | 207790 |
| AL1 4NY | 51.75672300 | -0.31447000 | 19 | 53 | 516435 | 207792 |
| AL1 4NZ | 51.75637800 | -0.31296100 | 5 | 15 | 516540 | 207756 |
| AL1 4PA | 51.75635600 | -0.31461400 | 7 | 28 | 516426 | 207751 |
| AL1 4PB | 51.75579400 | -0.31801100 | 24 | 65 | 516193 | 207683 |
| AL1 4PD | 51.75651700 | -0.31956300 | 6 | 15 | 516084 | 207761 |
| AL1 4PF | 51.75839000 | -0.32287000 | 11 | 19 | 515851 | 207964 |
| AL1 4PL | 51.75528500 | -0.32328900 | 22 | 81 | 515830 | 207618 |
| AL1 4PN | 51.75503900 | -0.31932800 | 8 | 19 | 516104 | 207597 |
| AL1 4PP | 51.75468700 | -0.31732800 | 9 | 29 | 516243 | 207561 |
| AL1 4PR | 51.75546200 | -0.31621200 | N/A | N/A | 516318 | 207649 |
| AL1 4PS | 51.75444900 | -0.31829300 | 12 | 50 | 516177 | 207533 |
| AL1 4PT | 51.75433900 | -0.31689100 | 11 | 38 | 516274 | 207523 |
| AL1 4PU | 51.75456200 | -0.31509200 | 15 | 36 | 516398 | 207551 |
| AL1 4PW | 51.75462700 | -0.31941600 | 8 | 20 | 516099 | 207551 |
| AL1 4PX | 51.75428300 | -0.31553100 | 16 | 38 | 516368 | 207519 |
| AL1 4PY | 51.75422500 | -0.31334600 | 29 | 85 | 516519 | 207516 |
| AL1 4PZ | 51.75554200 | -0.31364500 | 34 | 104 | 516495 | 207662 |
| AL1 4QA | 51.75448900 | -0.31295900 | 11 | 37 | 516545 | 207546 |
| AL1 4QB | 51.75535400 | -0.31181100 | 16 | 54 | 516622 | 207644 |
| AL1 4QD | 51.75776300 | -0.31234500 | 15 | 47 | 516579 | 207911 |
| AL1 4QE | 51.75863700 | -0.31184800 | 18 | 36 | 516611 | 208009 |
| AL1 4QF | 51.75742000 | -0.31163300 | 14 | 38 | 516629 | 207874 |
| AL1 4QG | 51.75747000 | -0.31077600 | 7 | 20 | 516688 | 207881 |
| AL1 4QH | 51.75388100 | -0.31131600 | 22 | 57 | 516660 | 207481 |
| AL1 4QJ | 51.75289500 | -0.31149800 | 25 | 65 | 516650 | 207371 |
| AL1 4QL | 51.75344500 | -0.31181600 | 4 | 12 | 516627 | 207432 |
| AL1 4QN | 51.75374000 | -0.31337800 | 39 | 74 | 516518 | 207462 |
| AL1 4QQ | 51.75536500 | -0.31131800 | 19 | 57 | 516656 | 207646 |
| AL1 4QR | 51.75911300 | -0.31248300 | 7 | 12 | 516566 | 208061 |