AL3 postcodes St Albans
This is a list of postcodes in the AL3 area covering the areas of St Albans, Childwickbury, Flamstead, Gorhambury, Markyate, Porters Wood, Redbourn, Sandridge. The area contains approximately 11,197 households with a population of about 28,025 (2011 census)
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Key
Active postcode
Postcode no longer in use
Active postcode
Postcode no longer in use| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| AL3 4AA | 51.741019 | -0.354385 | 513720 | 205983 | TL137059 | Yes |
| AL3 4AB | 51.740047 | -0.352835 | 513829 | 205877 | TL138058 | Yes |
| AL3 4AD | 51.741111 | -0.353666 | 513769 | 205994 | TL137059 | Yes |
| AL3 4AE | 51.745389 | -0.354357 | 513711 | 206469 | TL137064 | Yes |
| AL3 4AF | 51.74424 | -0.352393 | 513849 | 206344 | TL138063 | Yes |
| AL3 4AG | 51.746122 | -0.354497 | 513699 | 206550 | TL136065 | No |
| AL3 4AH | 51.747746 | -0.362151 | 513167 | 206719 | TL131067 | Yes |
| AL3 4AJ | 51.74608 | -0.354716 | 513684 | 206545 | TL136065 | Yes |
| AL3 4AL | 51.739243 | -0.371273 | 512558 | 205759 | TL125057 | Yes |
| AL3 4AN | 51.746122 | -0.354512 | 513698 | 206550 | TL136065 | No |
| AL3 4AP | 51.743879 | -0.352276 | 513858 | 206304 | TL138063 | Yes |
| AL3 4AQ | 51.746122 | -0.354497 | 513699 | 206550 | TL136065 | No |
| AL3 4AR | 51.743498 | -0.352681 | 513831 | 206261 | TL138062 | Yes |
| AL3 4AS | 51.743362 | -0.353859 | 513750 | 206244 | TL137062 | Yes |
| AL3 4AT | 51.744748 | -0.353302 | 513785 | 206399 | TL137063 | Yes |
| AL3 4AU | 51.745637 | -0.354515 | 513699 | 206496 | TL136064 | Yes |
| AL3 4AW | 51.743349 | -0.349318 | 514064 | 206250 | TL140062 | Yes |
| AL3 4AX | 51.745461 | -0.356086 | 513591 | 206474 | TL135064 | No |
| AL3 4AY | 51.743807 | -0.354828 | 513682 | 206292 | TL136062 | Yes |
| AL3 4AZ | 51.742026 | -0.356927 | 513542 | 206091 | TL135060 | Yes |
| AL3 4BA | 51.740704 | -0.357968 | 513473 | 205942 | TL134059 | Yes |
| AL3 4BB | 51.740172 | -0.35593 | 513615 | 205886 | TL136058 | Yes |
| AL3 4BD | 51.73835 | -0.354302 | 513732 | 205686 | TL137056 | Yes |
| AL3 4BE | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4BF | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4BG | 51.738843 | -0.354183 | 513739 | 205741 | TL137057 | Yes |
| AL3 4BH | 51.741436 | -0.357 | 513538 | 206025 | TL135060 | Yes |
| AL3 4BJ | 51.74273 | -0.354968 | 513675 | 206172 | TL136061 | Yes |
| AL3 4BL | 51.742041 | -0.349475 | 514056 | 206104 | TL140061 | Yes |
| AL3 4BN | 51.742767 | -0.349289 | 514067 | 206185 | TL140061 | Yes |
| AL3 4BP | 51.742916 | -0.350254 | 514000 | 206200 | TL140062 | No |
| AL3 4BQ | 51.740528 | -0.355715 | 513629 | 205926 | TL136059 | Yes |
| AL3 4BS | 51.742916 | -0.350254 | 514000 | 206200 | TL140062 | No |
| AL3 4BT | 51.746122 | -0.354497 | 513699 | 206550 | TL136065 | No |
| AL3 4BU | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4BW | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4BX | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4BY | 51.755415 | -0.351581 | 513877 | 207588 | TL138075 | Yes |
| AL3 4BZ | 51.739891 | -0.354122 | 513741 | 205858 | TL137058 | Yes |
| AL3 4DA | 51.752071 | -0.341402 | 514588 | 207232 | TL145072 | Yes |
| AL3 4DB | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4DD | 51.752008 | -0.341004 | 514616 | 207226 | TL146072 | Yes |
| AL3 4DE | 51.752822 | -0.341113 | 514606 | 207316 | TL146073 | Yes |
| AL3 4DF | 51.752679 | -0.341206 | 514600 | 207300 | TL145072 | No |
| AL3 4DG | 51.752899 | -0.341487 | 514580 | 207324 | TL145073 | Yes |
| AL3 4DH | 51.754311 | -0.342963 | 514475 | 207479 | TL144074 | Yes |
| AL3 4DJ | 51.75392 | -0.343073 | 514468 | 207435 | TL144074 | Yes |
| AL3 4DL | 51.754649 | -0.345045 | 514330 | 207513 | TL143075 | Yes |
| AL3 4DN | 51.755217 | -0.34643 | 514233 | 207574 | TL142075 | Yes |
| AL3 4DP | 51.756174 | -0.348212 | 514108 | 207678 | TL141076 | Yes |
| AL3 4DQ | 51.753199 | -0.341265 | 514595 | 207358 | TL145073 | Yes |
| AL3 4DR | 51.756022 | -0.349551 | 514016 | 207659 | TL140076 | Yes |
| AL3 4DS | 51.756417 | -0.351211 | 513900 | 207700 | TL138077 | No |
| AL3 4DT | 51.746122 | -0.354497 | 513699 | 206550 | TL136065 | No |
| AL3 4DU | 51.750933 | -0.341081 | 514613 | 207106 | TL146071 | No |
| AL3 4DW | 51.755554 | -0.348055 | 514120 | 207609 | TL141076 | Yes |
| AL3 4DX | 51.756397 | -0.349763 | 514000 | 207700 | TL139077 | No |
| AL3 4DY | 51.750882 | -0.341271 | 514600 | 207100 | TL146071 | No |
| AL3 4DZ | 51.751756 | -0.341413 | 514588 | 207197 | TL145071 | No |
| AL3 4EA | 51.751751 | -0.343616 | 514436 | 207193 | TL144071 | Yes |
| AL3 4EB | 51.75099 | -0.341462 | 514587 | 207112 | TL145071 | Yes |
| AL3 4ED | 51.750894 | -0.340393 | 514661 | 207103 | TL146071 | Yes |
| AL3 4EE | 51.750882 | -0.341271 | 514600 | 207100 | TL146071 | No |
| AL3 4EF | 51.750882 | -0.341271 | 514600 | 207100 | TL146071 | No |
| AL3 4EG | 51.750882 | -0.341271 | 514600 | 207100 | TL146071 | No |
| AL3 4EH | 51.751076 | -0.341033 | 514616 | 207122 | TL146071 | Yes |
| AL3 4EJ | 51.751644 | -0.344938 | 514345 | 207179 | TL143071 | No |
| AL3 4EL | 51.751162 | -0.340297 | 514667 | 207133 | TL146071 | Yes |
| AL3 4EN | 51.750882 | -0.341271 | 514600 | 207100 | TL146071 | No |
| AL3 4EP | 51.750968 | -0.340536 | 514651 | 207111 | TL146071 | Yes |
| AL3 4EQ | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4ER | 51.751394 | -0.342099 | 514542 | 207156 | TL145071 | Yes |
| AL3 4ES | 51.751656 | -0.342162 | 514537 | 207185 | TL145071 | Yes |
| AL3 4ET | 51.75174 | -0.343486 | 514445 | 207192 | TL144071 | Yes |
| AL3 4EU | 51.750923 | -0.344167 | 514400 | 207100 | TL144071 | No |
| AL3 4EW | 51.75071 | -0.340568 | 514649 | 207082 | TL146070 | Yes |
| AL3 4EX | 51.751768 | -0.343528 | 514442 | 207195 | TL144071 | No |
| AL3 4EY | 51.751821 | -0.344135 | 514400 | 207200 | TL143071 | No |
| AL3 4EZ | 51.751267 | -0.343083 | 514474 | 207140 | TL144071 | Yes |
| AL3 4FB | 51.738021 | -0.355435 | 513655 | 205648 | TL136056 | Yes |
| AL3 4FD | 51.740393 | -0.354401 | 513720 | 205913 | TL137059 | Yes |
| AL3 4FY | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4GA | 51.746122 | -0.354497 | 513699 | 206550 | TL136065 | No |
| AL3 4GB | 51.743084 | -0.356505 | 513568 | 206209 | TL135062 | Yes |
| AL3 4GD | 51.744174 | -0.356625 | 513557 | 206330 | TL135063 | Yes |
| AL3 4GE | 51.742168 | -0.358066 | 513463 | 206105 | TL134061 | Yes |
| AL3 4GF | 51.742995 | -0.359145 | 513386 | 206195 | TL133061 | Yes |
| AL3 4GG | 51.744639 | -0.357101 | 513523 | 206381 | TL135063 | Yes |
| AL3 4GH | 51.743494 | -0.356867 | 513542 | 206254 | TL135062 | Yes |
| AL3 4GJ | 51.743689 | -0.357295 | 513512 | 206275 | TL135062 | Yes |
| AL3 4GL | 51.743391 | -0.357841 | 513475 | 206241 | TL134062 | Yes |
| AL3 4GN | 51.743496 | -0.357678 | 513486 | 206253 | TL134062 | Yes |
| AL3 4HA | 51.749835 | -0.345439 | 514315 | 206977 | TL143069 | Yes |
| AL3 4HB | 51.751004 | -0.345454 | 514311 | 207107 | TL143071 | Yes |
| AL3 4HD | 51.750655 | -0.344931 | 514348 | 207069 | TL143070 | Yes |
| AL3 4HE | 51.749636 | -0.346663 | 514231 | 206953 | TL142069 | Yes |
| AL3 4HF | 51.750065 | -0.347096 | 514200 | 207000 | TL142070 | No |
| AL3 4HG | 51.748587 | -0.34775 | 514159 | 206835 | TL141068 | Yes |
| AL3 4HH | 51.751947 | -0.343478 | 514445 | 207215 | TL144072 | Yes |
| AL3 4HJ | 51.748603 | -0.346967 | 514213 | 206838 | TL142068 | Yes |
| AL3 4HL | 51.749693 | -0.344966 | 514348 | 206962 | TL143069 | Yes |
| AL3 4HN | 51.748476 | -0.346219 | 514265 | 206825 | TL142068 | Yes |
| AL3 4HP | 51.748288 | -0.34861 | 514100 | 206800 | TL140068 | No |
| AL3 4HQ | 51.750065 | -0.347096 | 514200 | 207000 | TL142070 | No |
| AL3 4HR | 51.74765 | -0.301973 | 517321 | 206803 | TL173068 | Yes |
| AL3 4HS | 51.750882 | -0.341271 | 514600 | 207100 | TL146071 | No |
| AL3 4HT | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4HW | 51.738479 | -0.352783 | 513837 | 205703 | TL138057 | Yes |
| AL3 4HX | 51.745154 | -0.357299 | 513508 | 206438 | TL135064 | Yes |
| AL3 4HY | 51.745023 | -0.358217 | 513445 | 206422 | TL134064 | Yes |
| AL3 4HZ | 51.745514 | -0.359198 | 513376 | 206475 | TL133064 | Yes |
| AL3 4JA | 51.747079 | -0.361851 | 513189 | 206645 | TL131066 | Yes |
| AL3 4JB | 51.747115 | -0.361226 | 513232 | 206650 | TL132066 | Yes |
| AL3 4JD | 51.74657 | -0.362086 | 513174 | 206588 | TL131065 | Yes |
| AL3 4JE | 51.74625 | -0.362344 | 513157 | 206552 | TL131065 | Yes |
| AL3 4JF | 51.745634 | -0.362033 | 513180 | 206484 | TL131064 | Yes |
| AL3 4JG | 51.745029 | -0.361838 | 513195 | 206417 | TL131064 | Yes |
| AL3 4JH | 51.745663 | -0.364118 | 513036 | 206484 | TL130064 | Yes |
| AL3 4JJ | 51.744875 | -0.363921 | 513052 | 206397 | TL130063 | Yes |
| AL3 4JL | 51.744602 | -0.366025 | 512907 | 206363 | TL129063 | Yes |
| AL3 4JN | 51.744346 | -0.366411 | 512881 | 206334 | TL128063 | Yes |
| AL3 4JP | 51.74341 | -0.363736 | 513068 | 206234 | TL130062 | Yes |
| AL3 4JQ | 51.745596 | -0.363208 | 513099 | 206478 | TL130064 | Yes |
| AL3 4JR | 51.744184 | -0.362535 | 513149 | 206322 | TL131063 | Yes |
| AL3 4JS | 51.744925 | -0.360842 | 513264 | 206407 | TL132064 | Yes |
| AL3 4JT | 51.744396 | -0.360282 | 513304 | 206349 | TL133063 | Yes |
| AL3 4JU | 51.743891 | -0.359576 | 513354 | 206294 | TL133062 | Yes |
| AL3 4JW | 51.74384 | -0.366878 | 512850 | 206277 | TL128062 | Yes |
| AL3 4JX | 51.743644 | -0.365697 | 512932 | 206257 | TL129062 | Yes |
| AL3 4JY | 51.743829 | -0.364112 | 513041 | 206280 | TL130062 | Yes |
| AL3 4JZ | 51.746431 | -0.360512 | 513283 | 206575 | TL132065 | Yes |
| AL3 4LA | 51.746081 | -0.36072 | 513270 | 206536 | TL132065 | Yes |
| AL3 4LB | 51.743895 | -0.356012 | 513600 | 206300 | TL136062 | No |
| AL3 4LD | 51.742809 | -0.349722 | 514037 | 206189 | TL140061 | Yes |
| AL3 4LE | 51.746122 | -0.354497 | 513699 | 206550 | TL136065 | No |
| AL3 4LG | 51.742017 | -0.350287 | 514000 | 206100 | TL139061 | No |
| AL3 4LP | 51.739625 | -0.357326 | 513520 | 205823 | TL135058 | Yes |
| AL3 4LR | 51.739444 | -0.357897 | 513481 | 205802 | TL134058 | Yes |
| AL3 4LS | 51.740717 | -0.360198 | 513319 | 205940 | TL133059 | Yes |
| AL3 4LT | 51.741372 | -0.362665 | 513147 | 206009 | TL131060 | Yes |
| AL3 4LU | 51.741851 | -0.364169 | 513042 | 206060 | TL130060 | Yes |
| AL3 4LW | 51.738722 | -0.355795 | 513628 | 205725 | TL136057 | Yes |
| AL3 4LX | 51.741828 | -0.362475 | 513159 | 206060 | TL131060 | Yes |
| AL3 4LY | 51.742124 | -0.361769 | 513207 | 206094 | TL132060 | Yes |
| AL3 4LZ | 51.742379 | -0.361427 | 513230 | 206123 | TL132061 | Yes |
| AL3 4NA | 51.742672 | -0.360698 | 513280 | 206157 | TL132061 | Yes |
| AL3 4NB | 51.742576 | -0.360044 | 513325 | 206147 | TL133061 | Yes |
| AL3 4ND | 51.740668 | -0.359258 | 513384 | 205936 | TL133059 | Yes |
| AL3 4NE | 51.73885 | -0.358085 | 513470 | 205736 | TL134057 | Yes |
| AL3 4NF | 51.738266 | -0.355985 | 513616 | 205674 | TL136056 | Yes |
| AL3 4NG | 51.737272 | -0.354341 | 513732 | 205566 | TL137055 | Yes |
| AL3 4NH | 51.740485 | -0.360959 | 513267 | 205913 | TL132059 | Yes |
| AL3 4NJ | 51.742667 | -0.365298 | 512962 | 206149 | TL129061 | Yes |
| AL3 4NL | 51.746122 | -0.354497 | 513699 | 206550 | TL136065 | No |
| AL3 4NN | 51.753761 | -0.354205 | 513700 | 207400 | TL137073 | No |
| AL3 4NP | 51.751801 | -0.342687 | 514500 | 207200 | TL144071 | No |
| AL3 4NQ | 51.742523 | -0.365941 | 512918 | 206132 | TL129061 | Yes |
| AL3 4NR | 51.737221 | -0.355392 | 513660 | 205559 | TL136055 | Yes |
| AL3 4NW | 51.753761 | -0.354205 | 513700 | 207400 | TL137073 | No |
| AL3 4PA | 51.752666 | -0.341719 | 514565 | 207298 | TL145072 | Yes |
| AL3 4PB | 51.751801 | -0.342687 | 514500 | 207200 | TL144071 | No |
| AL3 4PD | 51.751801 | -0.342687 | 514500 | 207200 | TL144071 | No |
| AL3 4PE | 51.752465 | -0.341923 | 514551 | 207275 | TL145072 | Yes |
| AL3 4PF | 51.752011 | -0.341816 | 514560 | 207225 | TL145072 | Yes |
| AL3 4PG | 51.7527 | -0.342654 | 514500 | 207300 | TL144073 | No |
| AL3 4PH | 51.75217 | -0.342911 | 514484 | 207241 | TL144072 | Yes |
| AL3 4PJ | 51.752394 | -0.343259 | 514459 | 207265 | TL144072 | Yes |
| AL3 4PL | 51.7527 | -0.342654 | 514500 | 207300 | TL144073 | No |
| AL3 4PN | 51.753194 | -0.34265 | 514499 | 207355 | TL144073 | Yes |
| AL3 4PP | 51.750923 | -0.344167 | 514400 | 207100 | TL144071 | No |
| AL3 4PQ | 51.751986 | -0.342584 | 514507 | 207221 | TL145072 | Yes |
| AL3 4PR | 51.747828 | -0.301865 | 517328 | 206823 | TL173068 | No |
| AL3 4PS | 51.752631 | -0.342874 | 514485 | 207292 | TL144072 | Yes |
| AL3 4PT | 51.752865 | -0.342879 | 514484 | 207318 | TL144073 | Yes |
| AL3 4PU | 51.753268 | -0.343386 | 514448 | 207362 | TL144073 | Yes |
| AL3 4PW | 51.753106 | -0.342161 | 514533 | 207346 | TL145073 | Yes |
| AL3 4PX | 51.752738 | -0.343629 | 514433 | 207303 | TL144073 | Yes |
| AL3 4PY | 51.752938 | -0.34363 | 514432 | 207325 | TL144073 | Yes |
| AL3 4PZ | 51.753321 | -0.343964 | 514408 | 207367 | TL144073 | Yes |
| AL3 4QA | 51.753341 | -0.343665 | 514429 | 207370 | TL144073 | Yes |
| AL3 4QB | 51.752483 | -0.343864 | 514417 | 207274 | TL144072 | Yes |
| AL3 4QD | 51.75232 | -0.344406 | 514380 | 207255 | TL143072 | Yes |
| AL3 4QE | 51.752831 | -0.3443 | 514386 | 207312 | TL143073 | Yes |
| AL3 4QF | 51.753024 | -0.344184 | 514394 | 207334 | TL143073 | Yes |
| AL3 4QG | 51.753666 | -0.344212 | 514390 | 207405 | TL143074 | Yes |
| AL3 4QH | 51.753231 | -0.346103 | 514261 | 207354 | TL142073 | Yes |
| AL3 4QJ | 51.753748 | -0.347454 | 514166 | 207409 | TL141074 | Yes |
| AL3 4QL | 51.753034 | -0.347249 | 514182 | 207330 | TL141073 | Yes |
| AL3 4QN | 51.752349 | -0.346462 | 514238 | 207255 | TL142072 | Yes |
| AL3 4QP | 51.752392 | -0.347591 | 514160 | 207258 | TL141072 | Yes |
| AL3 4QQ | 51.754134 | -0.344433 | 514374 | 207457 | TL143074 | Yes |
| AL3 4QR | 51.75293 | -0.348151 | 514120 | 207317 | TL141073 | Yes |
| AL3 4QS | 51.754003 | -0.34646 | 514234 | 207439 | TL142074 | Yes |
| AL3 4QT | 51.754429 | -0.346691 | 514217 | 207486 | TL142074 | Yes |
| AL3 4QU | 51.753473 | -0.347146 | 514188 | 207379 | TL141073 | Yes |
| AL3 4QW | 51.752127 | -0.346659 | 514225 | 207230 | TL142072 | Yes |
| AL3 4QX | 51.75368 | -0.348413 | 514100 | 207400 | TL141073 | No |
| AL3 4QY | 51.75359 | -0.34775 | 514146 | 207391 | TL141073 | Yes |
| AL3 4QZ | 51.75368 | -0.348413 | 514100 | 207400 | TL141073 | No |
| AL3 4RA | 51.754731 | -0.347236 | 514179 | 207519 | TL141075 | Yes |
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license