Hertfordshire postcodes - page 111 County

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This page provides postcode data for the Hertfordshire English ceremonial county. Hertfordshire contains approximately 453,814 households with a population of about 1,116,078 (2011 census)

Postcode Latitude Longitude Easting Northing Grid reference Active?
HP23 4JT51.798618-0.676616491356211936SP913119Yes
HP23 4JU51.79714-0.676253491384211772SP913117Yes
HP23 4JW51.807304-0.671763491673212908SP916129No
HP23 4JX51.7952-0.677252491319211555SP913115Yes
HP23 4JY51.795076-0.679851491140211538SP911115Yes
HP23 4JZ51.794874-0.679451491168211516SP911115Yes
HP23 4LE51.796498-0.676011491402211701SP914117No
HP23 4LF51.817123-0.671054491702214001SP917140No
HP23 4LG51.815326-0.671107491702213801SP917138No
HP23 4LH51.813337-0.67015491772213581SP917135Yes
HP23 4LL51.817834-0.669524491806214082SP918140Yes
HP23 4NG51.815592-0.654197492867213852SP928138Yes
HP23 4NL51.804169-0.669709491821212562SP918125No
HP23 4NN51.817107-0.669603491802214001SP918140No
HP23 4NP51.803873-0.669776491817212529SP918125Yes
HP23 4NR51.807466-0.671787491671212926SP916129Yes
HP23 4NS51.812724-0.67082491727213512SP917135Yes
HP23 4NT51.814525-0.68468490768213695SP907136Yes
HP23 4NU51.817668-0.689159490453214039SP904140Yes
HP23 4NW51.8149-0.689282490450213731SP904137Yes
HP23 4NX51.817264-0.690012490395213993SP903139No
HP23 4NY51.815691-0.689231490452213819SP904138Yes
HP23 4NZ51.816652-0.686765490620213929SP906139Yes
HP23 4PA51.81605-0.685172490731213864SP907138No
HP23 4PB51.81766-0.688477490500214039SP904140Yes
HP23 4PD51.819123-0.689827490404214200SP904141Yes
HP23 4PE51.819397-0.690182490379214230SP903142Yes
HP23 4PF51.818475-0.690528490357214127SP903141Yes
HP23 4PG51.818904-0.687948490534214178SP905141Yes
HP23 4PH51.821782-0.689634490412214496SP904144Yes
HP23 4PJ51.82559-0.702177489540214904SP895149Yes
HP23 4PL51.82974-0.700984489614215367SP896153Yes
HP23 4PN51.825979-0.705634489301214943SP893149Yes
HP23 4PP51.824371-0.714807488672214753SP886147Yes
HP23 4PQ51.82121-0.687518490559214435SP905144Yes
HP23 4PR51.825528-0.715326488634214881SP886148Yes
HP23 4PS51.822435-0.719491488353214532SP883145Yes
HP23 4PU51.817157-0.688521490498213983SP904139Yes
HP23 4PW51.82538-0.708379489113214873SP891148Yes
HP23 4PX51.821094-0.689175490445214420SP904144Yes
HP23 4PY51.825444-0.711019488931214877SP889148Yes
HP23 4PZ51.817883-0.688238490516214064SP905140Yes
HP23 4QA51.803882-0.669746491819212530SP918125No
HP23 4QB51.833174-0.703338489445215746SP894157Yes
HP23 4QD51.832024-0.698582489775215624SP897156Yes
HP23 4QE51.815748-0.675055491429213843SP914138Yes
HP23 4QG51.825026-0.686159490645214861SP906148Yes
HP23 4QH51.827979-0.685739490668215190SP906151No
HP23 4QJ51.82762-0.689857490385215145SP903151Yes
HP23 4QL51.831006-0.695984489956215514SP899155Yes
HP23 4QN51.807304-0.671763491673212908SP916129No
HP23 4QP51.833114-0.696286489931215748SP899157Yes
HP23 4QQ51.827761-0.685528490683215166SP906151Yes
HP23 4QS51.833094-0.701018489605215740SP896157Yes
HP23 4QT51.832321-0.702637489495215652SP894156Yes
HP23 4QU51.833199-0.704832489342215747SP893157Yes
HP23 4QW51.831578-0.698029489814215575SP898155Yes
HP23 4QX51.835386-0.713217488760215980SP887159Yes
HP23 4QY51.834599-0.721033488223215883SP882158Yes
HP23 4QZ51.846332-0.696383489898217218SP898172Yes
HP23 4RA51.846539-0.719258488322217213SP883172Yes
HP23 4RB51.83326-0.700549489637215759SP896157Yes
HP23 4RD51.839823-0.689125490411216503SP904165No
HP23 4RE51.814606-0.687086490602213701SP906137No
HP23 4RF51.794973-0.677099491330211530SP913115No
HP23 4RG51.793183-0.665102492161211346SP921113No
HP23 4RH51.79226-0.668522491927211239SP919112No
HP23 4RJ51.831526-0.697479489852215570SP898155Yes
HP23 4RL51.831754-0.697762489832215595SP898155Yes
HP23 4RN51.796071-0.677183491322211652SP913116Yes
HP23 4RQ51.812743-0.681337491002213501SP910135No
HP23 4RS51.79226-0.668522491927211239SP919112No
HP23 4RT51.792716-0.673062491613211284SP916112Yes
HP23 4RU51.84653-0.719316488318217212SP883172No
HP23 4RX51.804169-0.669709491821212562SP918125No
HP23 4SA51.791991-0.667805491977211210SP919112No
HP23 4SB51.79226-0.668522491927211239SP919112No
HP23 4SD51.79225-0.668436491933211238SP919112No
HP23 4SH51.79226-0.668522491927211239SP919112No
HP23 4SJ51.791991-0.667805491977211210SP919112No
HP23 4SL51.816635-0.689232490450213924SP904139Yes
HP23 4SS51.792755-0.66307492302211301SP923113No
HP23 4ST51.793442-0.662571492335211378SP923113Yes
HP23 4SU51.792755-0.66307492302211301SP923113No
HP23 4SX51.791991-0.667805491977211210SP919112No
HP23 4SY51.792755-0.66307492302211301SP923113No
HP23 4SZ51.792755-0.66307492302211301SP923113No
HP23 4TA51.791991-0.667805491977211210SP919112No
HP23 4TB51.807304-0.671763491673212908SP916129No
HP23 4TD51.79226-0.668522491927211239SP919112No
HP23 4TG51.79225-0.668436491933211238SP919112No
HP23 4TH51.804169-0.669709491821212562SP918125No
HP23 4TJ51.807304-0.671763491673212908SP916129No
HP23 4TL51.804169-0.669709491821212562SP918125No
HP23 4TP51.809014-0.660022492479213113SP924131Yes
HP23 4TQ51.79225-0.668436491933211238SP919112No
HP23 4TR51.791991-0.667805491977211210SP919112No
HP23 4TS51.804169-0.669709491821212562SP918125No
HP23 4TT51.791991-0.667805491977211210SP919112No
HP23 4TU51.804169-0.669709491821212562SP918125No
HP23 4TX51.79226-0.668522491927211239SP919112No
HP23 4UA51.804169-0.669709491821212562SP918125No
HP23 4UB51.79226-0.668522491927211239SP919112No
HP23 4UD51.807304-0.671763491673212908SP916129No
HP23 4UH51.807304-0.671763491673212908SP916129No
HP23 4UJ51.791991-0.667805491977211210SP919112No
HP23 4UL51.79226-0.668522491927211239SP919112No
HP23 4UP51.79226-0.668522491927211239SP919112No
HP23 4UY51.791991-0.667805491977211210SP919112No
HP23 4UZ51.791991-0.667805491977211210SP919112No
HP23 4WA51.79226-0.668522491927211239SP919112No
HP23 4WB51.792286-0.668449491932211242SP919112Yes
HP23 4WD51.791991-0.667805491977211210SP919112No
HP23 4WE51.79226-0.668522491927211239SP919112No
HP23 4WF51.79226-0.668522491927211239SP919112No
HP23 4WG51.791991-0.667805491977211210SP919112No
HP23 4WH51.79226-0.668522491927211239SP919112No
HP23 4WJ51.79226-0.668522491927211239SP919112No
HP23 4WL51.79226-0.668522491927211239SP919112No
HP23 4WN51.79226-0.668522491927211239SP919112No
HP23 4WP51.791991-0.667805491977211210SP919112No
HP23 4WQ51.79225-0.668436491933211238SP919112No
HP23 4WR51.79226-0.668522491927211239SP919112No
HP23 4WS51.792286-0.668449491932211242SP919112No
HP23 4WT51.79226-0.668522491927211239SP919112No
HP23 4WU51.79226-0.668522491927211239SP919112No
HP23 4WW51.79226-0.668522491927211239SP919112No
HP23 4WX51.79226-0.668522491927211239SP919112No
HP23 4WY51.79226-0.668522491927211239SP919112No
HP23 4WZ51.79226-0.668522491927211239SP919112No
HP23 4XN51.79226-0.668522491927211239SP919112No
HP23 4XQ51.79226-0.668522491927211239SP919112No
HP23 4XR51.79226-0.668522491927211239SP919112No
HP23 4XW51.79226-0.668522491927211239SP919112No
HP23 4XX51.79226-0.668522491927211239SP919112No
HP23 4XY51.79226-0.668522491927211239SP919112No
HP23 4XZ51.791991-0.667805491977211210SP919112No
HP23 4YJ51.79225-0.668436491933211238SP919112No
HP23 4YL51.791991-0.667805491977211210SP919112No
HP23 4YP51.791991-0.667805491977211210SP919112No
HP23 4YR51.791991-0.667805491977211210SP919112No
HP23 4YS51.79226-0.668522491927211239SP919112No
HP23 4YT51.791991-0.667805491977211210SP919112No
HP23 4YU51.808919-0.661141492402213101SP924131No
HP23 4YY51.79226-0.668522491927211239SP919112No
HP23 4YZ51.793621-0.660145492502211401SP925114No
HP23 4ZG51.791991-0.667805491977211210SP919112No
HP23 4ZJ51.79225-0.668436491933211238SP919112No
HP23 4ZP51.79225-0.668436491933211238SP919112No
HP23 4ZQ51.791991-0.667805491977211210SP919112No
HP23 4ZU51.791991-0.667805491977211210SP919112No
HP23 4ZW51.791991-0.667805491977211210SP919112No
HP23 4ZX51.79226-0.668522491927211239SP919112No
HP23 4ZZ51.792286-0.668449491932211242SP919112Yes
HP23 5AA51.793718-0.661548492405211410SP924114Yes
HP23 5AB51.793901-0.661006492442211431SP924114No
HP23 5AD51.795479-0.662178492358211605SP923116Yes
HP23 5AE51.794479-0.660467492478211496SP924114Yes
HP23 5AF51.800911-0.663859492231212207SP922122Yes
HP23 5AG51.794174-0.659751492528211463SP925114Yes
HP23 5AH51.793347-0.661298492423211369SP924113Yes
HP23 5AJ51.801487-0.664697492172212270SP921122Yes
HP23 5AL51.793776-0.660328492489211418SP924114Yes
HP23 5AN51.79336-0.661689492396211370SP923113Yes
HP23 5AP51.793518-0.661322492421211388SP924113No
HP23 5AQ51.793638-0.661594492402211401SP924114No
HP23 5AR51.793484-0.661497492409211384SP924113No
HP23 5AS51.792755-0.66307492302211301SP923113No
HP23 5AT51.793902-0.662659492328211429SP923114Yes
HP23 5AU51.794222-0.662403492345211465SP923114Yes
HP23 5AW51.793542-0.661046492440211391SP924113No
HP23 5AX51.800455-0.657027492703212165SP927121Yes
HP23 5AY51.793187-0.660694492465211352SP924113Yes
HP23 5AZ51.795243-0.662765492318211578SP923115Yes
HP23 5BA51.796185-0.662606492327211683SP923116Yes
HP23 5BB51.794982-0.661206492426211551SP924115Yes
HP23 5BD51.792954-0.659222492567211328SP925113Yes
HP23 5BE51.795334-0.6605492474211591SP924115Yes
HP23 5BF51.79226-0.668522491927211239SP919112No
HP23 5BG51.791991-0.667805491977211210SP919112No
HP23 5BH51.797691-0.66697492023211845SP920118Yes
HP23 5BJ51.794389-0.662804492317211483SP923114Yes
HP23 5BL51.800261-0.651043493116212151SP931121No
HP23 5BN51.793911-0.661876492382211431SP923114Yes
HP23 5BP51.796698-0.663447492268211739SP922117Yes
HP23 5BQ51.795558-0.658101492639211619SP926116No
HP23 5BS51.796559-0.664654492185211722SP921117Yes
HP23 5BT51.797363-0.663427492268211813SP922118Yes
HP23 5BU51.797664-0.665376492133211844SP921118Yes
HP23 5BW51.793654-0.663044492302211401SP923114No
HP23 5BX51.798583-0.666364492063211945SP920119Yes
HP23 5BY51.79938-0.666804492031212033SP920120Yes
HP23 5BZ51.800067-0.667147492006212109SP920121Yes
HP23 5DA51.799082-0.665943492091212001SP920120Yes
HP23 5DB51.798164-0.664288492207211901SP922119Yes
HP23 5DD51.798231-0.663082492290211910SP922119Yes
HP23 5DE51.799188-0.664968492158212014SP921120Yes
HP23 5DF51.800266-0.665705492105212133SP921121Yes
HP23 5DG51.800637-0.665085492147212175SP921121Yes
HP23 5DH51.797995-0.662089492359211885SP923118Yes
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database rights 2026
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license




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