Harpenden postcodes (2024)

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There are 1,450 postcodes in the built up area of Harpenden. The area contains approximately 11,444 households with a population of about 29,873 (2011 census)

Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

This table shows the first postcodes in the built up area, download the CSV file to get all the postcodes.

Postcode Latitude Longitude Easting Northing Grid reference Active?
AL5 1AA51.811036-0.334785514895213800TL148137Yes
AL5 1AB51.811954-0.334214514932213903TL149139Yes
AL5 1AD51.811427-0.33065515179213850TL151138Yes
AL5 1AE51.805541-0.338541514650213183TL146131No
AL5 1AH51.806939-0.326813515455213357TL154133No
AL5 1AJ51.806528-0.326456515481213312TL154133Yes
AL5 1AP51.796878-0.343964514298212211TL142122Yes
AL5 1AR51.798596-0.345322514200212400TL142123No
AL5 1AS51.804387-0.344066514272213046TL142130Yes
AL5 1AT51.801292-0.345223514200212700TL142126No
AL5 1AU51.812299-0.33571514828213939TL148139Yes
AL5 1AW51.795856-0.341846514447212101TL144121Yes
AL5 1AX51.80568-0.342611514369213192TL143131Yes
AL5 1AY51.805433-0.339183514606213170TL146131Yes
AL5 1AZ51.801292-0.345223514200212700TL142126No
AL5 1BA51.806284-0.343402514313213258TL143132Yes
AL5 1BB51.805871-0.34404514270213211TL142132Yes
AL5 1BD51.805836-0.343476514309213208TL143132Yes
AL5 1BE51.805097-0.345287514186213123TL141131Yes
AL5 1BF51.814762-0.353522513594214185TL135141No
AL5 1BG51.804944-0.344805514220213107TL142131Yes
AL5 1BH51.804112-0.34704514068213011TL140130Yes
AL5 1BJ51.804274-0.347005514070213029TL140130Yes
AL5 1BN51.802292-0.342794514365212815TL143128Yes
AL5 1BP51.802421-0.343616514308212828TL143128Yes
AL5 1BQ51.803956-0.34662514097212994TL140129Yes
AL5 1BS51.802993-0.34403514278212891TL142128Yes
AL5 1BT51.797761-0.343646514318212310TL143123Yes
AL5 1BU51.79742-0.344341514271212271TL142122Yes
AL5 1BW51.803913-0.345476514176212991TL141129Yes
AL5 1BX51.798971-0.342567514389212446TL143124Yes
AL5 1BY51.800088-0.342729514375212570TL143125Yes
AL5 1BZ51.799247-0.344254514272212474TL142124Yes
AL5 1DA51.798569-0.344671514245212398TL142123Yes
AL5 1DB51.79999-0.344676514241212556TL142125Yes
AL5 1DD51.800335-0.345104514211212594TL142125Yes
AL5 1DE51.800512-0.34663514105212611TL141126Yes
AL5 1DF51.80157-0.343864514293212733TL142127Yes
AL5 1DG51.803021-0.345987514143212891TL141128Yes
AL5 1DH51.803396-0.347757514020212930TL140129Yes
AL5 1DJ51.805422-0.346059514132213158TL141131Yes
AL5 1DL51.806267-0.345984514135213252TL141132Yes
AL5 1DN51.80516-0.34337514318213133TL143131Yes
AL5 1DP51.806161-0.345524514167213241TL141132Yes
AL5 1DQ51.803183-0.347286514053212907TL140129Yes
AL5 1DR51.805588-0.345023514203213178TL142131Yes
AL5 1DS51.805541-0.338541514650213183TL146131No
AL5 1DU51.814762-0.353522513594214185TL135141No
AL5 1DW51.806661-0.345912514139213296TL141132Yes
AL5 1DX51.814762-0.353522513594214185TL135141No
AL5 1DY51.806339-0.325674515535213292TL155132Yes
AL5 1DZ51.809225-0.345518514160213582TL141135Yes
AL5 1EA51.805314-0.34541514177213147TL141131Yes
AL5 1EB51.806844-0.344953514205213318TL142133Yes
AL5 1ED51.814762-0.353522513594214185TL135141No
AL5 1EE51.814762-0.353522513594214185TL135141No
AL5 1EF51.805649-0.340466514517213192TL145131Yes
AL5 1EG51.804555-0.342566514375213067TL143130Yes
AL5 1EH51.805393-0.339015514618213166TL146131Yes
AL5 1EJ51.80558-0.338728514637213187TL146131Yes
AL5 1EL51.806084-0.339391514590213242TL145132Yes
AL5 1EN51.806434-0.33874514634213282TL146132Yes
AL5 1EP51.805327-0.337388514730213161TL147131Yes
AL5 1EQ51.804844-0.341351514458213101TL144131Yes
AL5 1ER51.805572-0.336277514806213190TL148131Yes
AL5 1ES51.806012-0.336338514801213239TL148132Yes
AL5 1ET51.806415-0.337377514728213282TL147132Yes
AL5 1EU51.807385-0.33605514817213392TL148133Yes
AL5 1EW51.806199-0.338633514642213256TL146132Yes
AL5 1EX51.806942-0.336014514821213343TL148133Yes
AL5 1EY51.807938-0.333279515007213458TL150134Yes
AL5 1EZ51.808364-0.331532515126213508TL151135Yes
AL5 1FA51.813122-0.351483513739214006TL137140Yes
AL5 1GD51.807404-0.342447514376213384TL143133Yes
AL5 1GH51.814762-0.353522513594214185TL135141No
AL5 1GX51.814762-0.353522513594214185TL135141No
AL5 1GY51.814762-0.353522513594214185TL135141No
AL5 1HA51.807794-0.332525515059213443TL150134Yes
AL5 1HB51.806698-0.335162514880213317TL148133Yes
AL5 1HD51.805483-0.335033514892213182TL148131Yes
AL5 1HE51.80584-0.334251514945213223TL149132Yes
AL5 1HF51.806858-0.332473515065213339TL150133Yes
AL5 1HG51.804909-0.33327515015213121TL150131Yes
AL5 1HH51.803003-0.332035515105212911TL151129Yes
AL5 1HJ51.804396-0.334493514932213062TL149130Yes
AL5 1HL51.805156-0.335494514861213145TL148131Yes
AL5 1HN51.804849-0.336681514780213109TL147131Yes
AL5 1HP51.804764-0.336394514800213100TL147130No
AL5 1HQ51.804284-0.331847515115213054TL151130Yes
AL5 1HS51.814762-0.353522513594214185TL135141No
AL5 1HT51.807794-0.332525515059213443TL150134No
AL5 1HU51.804764-0.336394514800213100TL147130No
AL5 1HW51.808257-0.329012515300213500TL153135No
AL5 1HX51.814762-0.353522513594214185TL135141No
AL5 1HY51.805541-0.338541514650213183TL146131No
AL5 1HZ51.810849-0.321663515800213800TL157137No
AL5 1JA51.809728-0.326854515445213667TL154136Yes
AL5 1JB51.810738-0.324037515637213784TL156137Yes
AL5 1JD51.810943-0.321311515824213811TL158138Yes
AL5 1JE51.81013-0.323561515671213717TL156137Yes
AL5 1JF51.809862-0.322425515750213689TL157136Yes
AL5 1JG51.808716-0.324658515599213558TL155135Yes
AL5 1JH51.808979-0.329247515282213580TL152135Yes
AL5 1JJ51.807831-0.329405515274213452TL152134Yes
AL5 1JL51.806222-0.331394515141213270TL151132Yes
AL5 1JN51.806408-0.331822515111213290TL151132Yes
AL5 1JP51.805319-0.329832515251213172TL152131Yes
AL5 1JQ51.808688-0.328358515344213549TL153135Yes
AL5 1JR51.805425-0.330306515218213183TL152131Yes
AL5 1JS51.805574-0.330721515189213199TL151131Yes
AL5 1JT51.804703-0.332044515100213100TL151131No
AL5 1JU51.805565-0.331345515146213197TL151131Yes
AL5 1JW51.806994-0.330031515233213358TL152133Yes
AL5 1JX51.804622-0.331424515143213092TL151130Yes
AL5 1JY51.804862-0.331865515112213118TL151131Yes
AL5 1JZ51.80558-0.338728514637213187TL146131No
AL5 1LE51.806664-0.343576514300213300TL143132No
AL5 1LF51.806664-0.343576514300213300TL143132No
AL5 1LG51.807688-0.342219514391213416TL143134Yes
AL5 1LH51.80742-0.341813514420213387TL144133Yes
AL5 1LJ51.808589-0.34294514339213515TL143135Yes
AL5 1LL51.80906-0.343213514319213567TL143135Yes
AL5 1LN51.808529-0.341288514453213511TL144135Yes
AL5 1LP51.809584-0.339582514568213631TL145136Yes
AL5 1LQ51.808614-0.344128514257213516TL142135Yes
AL5 1LR51.809781-0.340111514531213652TL145136Yes
AL5 1LS51.810493-0.337735514693213735TL146137Yes
AL5 1LT51.810872-0.338461514642213776TL146137Yes
AL5 1LU51.809736-0.338256514659213650TL146136Yes
AL5 1LW51.808475-0.340609514500213506TL144135Yes
AL5 1LX51.809272-0.337838514689213599TL146135Yes
AL5 1LY51.814762-0.353522513594214185TL135141No
AL5 1LZ51.810626-0.335641514837213753TL148137Yes
AL5 1NA51.809037-0.335206514871213577TL148135Yes
AL5 1NB51.809216-0.334503514919213598TL149135Yes
AL5 1ND51.810089-0.332658515044213698TL150136Yes
AL5 1NE51.809797-0.329245515280213671TL152136Yes
AL5 1NF51.809455-0.328547515329213634TL153136Yes
AL5 1NG51.809226-0.331428515131213604TL151136Yes
AL5 1NH51.810157-0.336195514800213700TL147137No
AL5 1NL51.808138-0.344949514202213462TL142134Yes
AL5 1NQ51.809513-0.333898514960213632TL149136Yes
AL5 1NY51.809075-0.34813513980213561TL139135Yes
AL5 1PA51.814305-0.353746513580214134TL135141Yes
AL5 1PB51.813098-0.353495513600214000TL136140No
AL5 1PD51.813315-0.352936513638214025TL136140Yes
AL5 1PE51.812953-0.352151513693213986TL136139No
AL5 1PF51.811172-0.350916513783213790TL137137Yes
AL5 1PG51.810207-0.350003513848213684TL138136Yes
AL5 1PH51.809159-0.348359513964213570TL139135No
AL5 1PJ51.814762-0.353522513594214185TL135141No
AL5 1PL51.808482-0.34496514200213500TL142134No
AL5 1PN51.808482-0.34496514200213500TL142134No
AL5 1PP51.807604-0.346443514100213400TL140134No
AL5 1PQ51.809307-0.348614513946213586TL139135Yes
AL5 1PR51.807622-0.34518514187213404TL141134Yes
AL5 1PS51.806994-0.344744514219213335TL142133Yes
AL5 1PT51.807604-0.346443514100213400TL140134No
AL5 1PU51.807161-0.343094514332213356TL143133Yes
AL5 1PW51.808871-0.346532514091213541TL140135Yes
AL5 1PX51.807072-0.341376514451213349TL144133Yes
AL5 1PY51.807369-0.34077514492213383TL144133Yes
AL5 1PZ51.809279-0.337678514700213600TL146136No
AL5 1QA51.807606-0.338914514619213412TL146134Yes
AL5 1QB51.808334-0.337669514703213495TL147134Yes
AL5 1QD51.808024-0.336709514770213462TL147134Yes
AL5 1QE51.805864-0.341053514476213215TL144132Yes
AL5 1QF51.805071-0.342837514355213124TL143131Yes
AL5 1QG51.806812-0.341458514446213320TL144133Yes
AL5 1QH51.806487-0.346948514068213275TL140132Yes
AL5 1QJ51.806952-0.346742514081213327TL140133Yes
AL5 1QL51.806552-0.344567514232213286TL142132Yes
AL5 1QN51.80765-0.347287514042213404TL140134Yes
AL5 1QP51.808033-0.347709514012213446TL140134Yes
AL5 1QQ51.806804-0.343417514311213316TL143133Yes
AL5 1QR51.808346-0.348055513987213480TL139134Yes
AL5 1QT51.806414-0.344296514251213271TL142132No
AL5 1QU51.808846-0.34779514004213536TL140135Yes
AL5 1QW51.807559-0.348374513967213392TL139133Yes
AL5 1QX51.802393-0.339121514618212832TL146128Yes
AL5 1QY51.806644-0.347899514002213291TL140132Yes
AL5 1RB51.803923-0.337947514695213004TL146130Yes
AL5 1RD51.803711-0.340131514545212977TL145129Yes
AL5 1RE51.803602-0.341919514422212962TL144129Yes
AL5 1RF51.804198-0.339576514582213032TL145130Yes
AL5 1RG51.804363-0.337888514698213053TL146130Yes
AL5 1RH51.803493-0.33995514558212953TL145129Yes
AL5 1RJ51.802045-0.339931514563212792TL145127Yes
AL5 1RL51.802552-0.340812514501212847TL145128Yes
AL5 1RN51.80291-0.3415514453212886TL144128Yes
AL5 1RP51.804573-0.340056514548213073TL145130Yes
AL5 1RQ51.80368-0.338537514655212976TL146129Yes
AL5 1RR51.804292-0.341154514473213040TL144130Yes
AL5 1RS51.801841-0.340794514504212768TL145127Yes
AL5 1RT51.800937-0.338521514663212671TL146126Yes
AL5 1RU51.801274-0.340699514512212705TL145127Yes
AL5 1RW51.805026-0.339024514618213125TL146131Yes
AL5 1RX51.800332-0.340908514500212600TL144125No
AL5 1RZ51.800337-0.339979514564212602TL145126Yes
AL5 1SA51.801211-0.339425514600212700TL145127No




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