Hertfordshire postcodes - page 166 County

All counties

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?
SG4 8DA51.891758-0.271513519044222879TL190228Yes
SG4 8DB51.891199-0.269572519179222820TL191228Yes
SG4 8DD51.891005-0.265525519458222805TL194228Yes
SG4 8DE51.846716-0.22964522047217939TL220179Yes
SG4 8DF51.846788-0.238653521426217932TL214179Yes
SG4 8DG51.886139-0.266032519436222263TL194222Yes
SG4 8DH51.889851-0.258071519974222689TL199226Yes
SG4 8DJ51.88175-0.253866520285221795TL202217Yes
SG4 8DL51.882602-0.253716520293221890TL202218Yes
SG4 8DN51.887067-0.268598519257222362TL192223Yes
SG4 8DP51.892449-0.250719520473222990TL204229No
SG4 8DQ51.847058-0.239833521344217960TL213179Yes
SG4 8DR51.847544-0.239887521339218014TL213180Yes
SG4 8DS51.847648-0.240797521276218024TL212180Yes
SG4 8DT51.870822-0.240969521202220601TL212206No
SG4 8DU51.848774-0.235541521635218158TL216181Yes
SG4 8DW51.847673-0.243729521074218022TL210180Yes
SG4 8DX51.846339-0.241081521260217878TL212178Yes
SG4 8DY51.846081-0.24067521289217850TL212178Yes
SG4 8DZ51.848565-0.24262521148218123TL211181Yes
SG4 8EA51.861453-0.276189518802219501TL188195No
SG4 8EB51.848574-0.243244521105218123TL211181Yes
SG4 8ED51.861453-0.276189518802219501TL188195No
SG4 8EE51.861026-0.280838518483219446TL184194Yes
SG4 8EF51.853659-0.291732517752218609TL177186Yes
SG4 8EG51.853062-0.29646517428218535TL174185Yes
SG4 8EH51.843297-0.293997517623217453TL176174Yes
SG4 8EJ51.845746-0.296039517476217722TL174177Yes
SG4 8EL51.854112-0.330151515105218598TL151185Yes
SG4 8EN51.837259-0.288071518047216791TL180167Yes
SG4 8EP51.84637-0.305641516813217776TL168177Yes
SG4 8EQ51.852508-0.29423517583218477TL175184Yes
SG4 8ER51.841247-0.315835516124217190TL161171Yes
SG4 8ES51.847389-0.320266515803217866TL158178Yes
SG4 8ET51.848068-0.309874516517217958TL165179Yes
SG4 8EU51.845537-0.317126516024217665TL160176Yes
SG4 8EW51.850669-0.236019521597218368TL215183Yes
SG4 8EX51.848258-0.314339516209217972TL162179Yes
SG4 8EY51.849829-0.306062516775218160TL167181Yes
SG4 8EZ51.846054-0.231699521907217862TL219178Yes
SG4 8FA51.847621-0.314464516202217901TL162179No
SG4 8FB51.847621-0.314464516202217901TL162179No
SG4 8FD51.847621-0.314464516202217901TL162179No
SG4 8FE51.847621-0.314464516202217901TL162179No
SG4 8FF51.84824-0.314354516208217970TL162179No
SG4 8FG51.845598-0.233067521814217809TL218178Yes
SG4 8FH51.862005-0.275194518869219564TL188195No
SG4 8FJ51.949143-0.276335518561229253TL185292No
SG4 8FP51.862005-0.275194518869219564TL188195No
SG4 8FR51.949143-0.276335518561229253TL185292No
SG4 8FS51.896091-0.202978523748223475TL237234Yes
SG4 8FT51.949143-0.276335518561229253TL185292No
SG4 8FU51.949143-0.276335518561229253TL185292No
SG4 8GA51.862005-0.275194518869219564TL188195No
SG4 8GB51.949143-0.276335518561229253TL185292No
SG4 8GD51.861878-0.27456518913219551TL189195No
SG4 8GE51.949143-0.276335518561229253TL185292No
SG4 8GG51.85218-0.231836521881218543TL218185Yes
SG4 8GJ51.861878-0.27456518913219551TL189195No
SG4 8GL51.949143-0.276335518561229253TL185292No
SG4 8GN51.949143-0.276335518561229253TL185292No
SG4 8GP51.949143-0.276335518561229253TL185292No
SG4 8GT51.949143-0.276335518561229253TL185292No
SG4 8GW51.861878-0.27456518913219551TL189195No
SG4 8HA51.850614-0.308734516589218243TL165182Yes
SG4 8HB51.851524-0.327749515277218314TL152183Yes
SG4 8HD51.857544-0.31861515891218998TL158189Yes
SG4 8HE51.85617-0.30989516495218859TL164188Yes
SG4 8HF51.861847-0.305786516763219497TL167194Yes
SG4 8HG51.863231-0.302582516980219656TL169196Yes
SG4 8HH51.865216-0.301186517071219879TL170198Yes
SG4 8HJ51.864302-0.287161518039219800TL180197Yes
SG4 8HL51.860732-0.292757517663219394TL176193Yes
SG4 8HN51.862276-0.275286518862219594TL188195Yes
SG4 8HP51.853321-0.301256517097218556TL170185Yes
SG4 8HR51.876279-0.284716518176221136TL181211Yes
SG4 8HS51.876795-0.283752518241221195TL182211Yes
SG4 8HT51.876478-0.285435518126221157TL181211Yes
SG4 8HU51.87602-0.285452518126221106TL181211Yes
SG4 8HX51.876579-0.286187518074221167TL180211Yes
SG4 8HY51.85305-0.301208517101218526TL171185Yes
SG4 8HZ51.85143-0.238777521405218448TL214184Yes
SG4 8JA51.88172-0.304647516790221709TL167217Yes
SG4 8JB51.882962-0.304716516782221847TL167218Yes
SG4 8JD51.8801-0.309546516457221521TL164215Yes
SG4 8JE51.881466-0.308201516546221675TL165216Yes
SG4 8JG51.880854-0.310694516376221603TL163216Yes
SG4 8JH51.880303-0.310511516390221542TL163215Yes
SG4 8JJ51.885591-0.309325516458222132TL164221Yes
SG4 8JL51.880845-0.31068516377221602TL163216No
SG4 8JN51.883495-0.293043517584221925TL175219Yes
SG4 8JP51.876941-0.286347518062221207TL180212Yes
SG4 8JQ51.880795-0.315331516057221589TL160215Yes
SG4 8JR51.880852-0.311769516302221601TL163216No
SG4 8JS51.899252-0.303275516839223661TL168236Yes
SG4 8JT51.899245-0.314641516057223642TL160236Yes
SG4 8JU51.897683-0.313595516133223470TL161234Yes
SG4 8JX51.897925-0.317263515880223491TL158234Yes
SG4 8JY51.898038-0.303858516802223525TL168235Yes
SG4 8JZ51.898073-0.302578516890223531TL168235Yes
SG4 8LA51.905243-0.314083516080224310TL160243Yes
SG4 8LB51.907345-0.307041516559224555TL165245Yes
SG4 8LD51.90715-0.312848516160224524TL161245Yes
SG4 8LE51.904641-0.314716516038224242TL160242Yes
SG4 8LF51.903875-0.310805516309224163TL163241Yes
SG4 8LG51.904948-0.31546515986224275TL159242Yes
SG4 8LH51.905933-0.318258515791224380TL157243Yes
SG4 8LJ51.906147-0.320024515669224401TL156244Yes
SG4 8LL51.905337-0.335172514629224287TL146242Yes
SG4 8LN51.90578-0.341087514221224327TL142243Yes
SG4 8LP51.911573-0.32789515114224992TL151249Yes
SG4 8LR51.908998-0.325136515310224710TL153247Yes
SG4 8LS51.911631-0.320619515614225010TL156250Yes
SG4 8LT51.908322-0.315581515969224650TL159246Yes
SG4 8LU51.908124-0.314978516011224629TL160246Yes
SG4 8LW51.901342-0.334346514696223844TL146238Yes
SG4 8LX51.907765-0.314962516013224589TL160245Yes
SG4 8LY51.907966-0.315231515994224611TL159246Yes
SG4 8NA51.907468-0.316253515925224554TL159245No
SG4 8ND51.906955-0.313699516102224501TL161245No
SG4 8NE51.913894-0.309746516356225279TL163252Yes
SG4 8NG51.908458-0.311302516263224672TL162246Yes
SG4 8NH51.905078-0.315092516011224290TL160242Yes
SG4 8NJ51.893151-0.299813517093222988TL170229Yes
SG4 8NL51.892888-0.298443517188222961TL171229Yes
SG4 8NN51.892361-0.293681517517222910TL175229Yes
SG4 8NP51.885107-0.327652515198222049TL151220Yes
SG4 8NQ51.897587-0.30187516940223478TL169234Yes
SG4 8NR51.884256-0.326637515270221956TL152219Yes
SG4 8NS51.885474-0.324398515421222095TL154220Yes
SG4 8NT51.885764-0.326465515278222124TL152221Yes
SG4 8NU51.885426-0.329819515048222081TL150220Yes
SG4 8NW51.889459-0.29321517557222588TL175225Yes
SG4 8NX51.884454-0.329797515052221973TL150219Yes
SG4 8NY51.880702-0.325171515380221563TL153215Yes
SG4 8NZ51.882069-0.327081515245221712TL152217Yes
SG4 8PA51.885935-0.331486514932222135TL149221Yes
SG4 8PB51.887693-0.334981514687222325TL146223Yes
SG4 8PD51.891443-0.334377514719222743TL147227Yes
SG4 8PE51.891671-0.335866514616222766TL146227Yes
SG4 8PF51.890155-0.332986514818222602TL148226Yes
SG4 8PG51.892092-0.334499514709222815TL147228Yes
SG4 8PH51.892787-0.335985514605222890TL146228Yes
SG4 8PJ51.889727-0.331985514888222556TL148225Yes
SG4 8PL51.886551-0.330591514992222205TL149222Yes
SG4 8PN51.886759-0.331296514943222227TL149222Yes
SG4 8PP51.879385-0.333138514835221404TL148214Yes
SG4 8PQ51.891967-0.334605514702222801TL147228No
SG4 8PR51.885606-0.327313515220222105TL152221Yes
SG4 8PS51.86827-0.31224516302220201TL163202No
SG4 8PT51.851346-0.297149517385218343TL173183Yes
SG4 8PU51.851061-0.297973517329218310TL173183Yes
SG4 8PW51.851335-0.297657517350218341TL173183Yes
SG4 8PX51.850986-0.298367517302218301TL173183No
SG4 8PY51.848307-0.237418521507218103TL215181Yes
SG4 8PZ51.851481-0.299626517214218354TL172183Yes
SG4 8QA51.852239-0.301079517112218436TL171184Yes
SG4 8QB51.8526-0.300528517149218477TL171184Yes
SG4 8QD51.851738-0.301286517099218380TL170183Yes
SG4 8QE51.851559-0.302527517014218358TL170183Yes
SG4 8QF51.851948-0.302687517002218401TL170184No
SG4 8QG51.852199-0.303302516959218428TL169184Yes
SG4 8QH51.852547-0.298773517270218474TL172184Yes
SG4 8QJ51.852077-0.297324517371218424TL173184Yes
SG4 8QL51.850648-0.300471517158218260TL171182Yes
SG4 8QN51.849526-0.304375516892218129TL168181Yes
SG4 8QP51.850524-0.303147516974218242TL169182Yes
SG4 8QQ51.851041-0.303418516954218299TL169182Yes
SG4 8QR51.849484-0.305829516792218122TL167181Yes
SG4 8QS51.849893-0.300485517159218176TL171181Yes
SG4 8QT51.848446-0.306187516770218006TL167180Yes
SG4 8QU51.848669-0.304799516865218033TL168180Yes
SG4 8QW51.850903-0.300723517140218288TL171182Yes
SG4 8QX51.849231-0.301337517102218101TL171181No
SG4 8QZ51.949143-0.276335518561229253TL185292No
SG4 8RA51.851234-0.29316517660218337TL176183Yes
SG4 8RB51.850866-0.296281517446218291TL174182Yes
SG4 8RD51.850382-0.29643517437218237TL174182Yes
SG4 8RE51.85139-0.292167517728218356TL177183No
SG4 8RF51.896091-0.202978523748223475TL237234Yes
SG4 8RG51.851849-0.287852518024218414TL180184Yes
SG4 8RH51.852077-0.289295517924218437TL179184Yes
SG4 8RJ51.851697-0.291618517765218391TL177183Yes
SG4 8RL51.896091-0.202978523748223475TL237234No
SG4 8RN51.851409-0.293429517641218356TL176183Yes
SG4 8RP51.852079-0.292518517702218432TL177184Yes
SG4 8RQ51.949143-0.276335518561229253TL185292No
SG4 8RR51.853173-0.292927517671218553TL176185Yes
SG4 8RS51.852423-0.292055517733218471TL177184Yes
SG4 8RT51.851405-0.293763517618218355TL176183Yes
SG4 8RU51.852202-0.292935517673218445TL176184Yes
SG4 8RW51.896091-0.202978523748223475TL237234No
SG4 8RX51.851609-0.29422517586218377TL175183Yes
SG4 8RY51.896091-0.202978523748223475TL237234No
SG4 8RZ51.851786-0.293372517644218398TL176183Yes
SG4 8SA51.851233-0.294975517535218334TL175183Yes
SG4 8SB51.851634-0.295918517469218377TL174183Yes
SG4 8SD51.851852-0.294879517540218403TL175184Yes
SG4 8SE51.850695-0.294458517572218275TL175182Yes
SG4 8SF51.847501-0.247859520790217996TL207179Yes
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




© 2026 Chris Bell [ Email ] [ Bluesky ] [ Strava ] [ Privacy ]