Letchworth postcodes (2024)

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There are 1,535 postcodes in the built up area of Letchworth. The area contains approximately 13,959 households with a population of about 33,179 (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?
SG15 6GB51.981453-0.209477523067232957TL230329No
SG15 6WF51.981628-0.209208523085232977TL230329No
SG15 6WW51.981453-0.209477523067232957TL230329No
SG15 6WZ51.981453-0.209477523067232957TL230329No
SG15 6XW51.981453-0.209477523067232957TL230329No
SG5 4UZ51.981628-0.209208523085232977TL230329No
SG5 4WF51.981628-0.209208523085232977TL230329No
SG5 4WH51.981628-0.209208523085232977TL230329No
SG5 4XA51.981453-0.209477523067232957TL230329No
SG6 1AA51.988356-0.219411522366233708TL223337Yes
SG6 1AB51.988763-0.219555522355233753TL223337Yes
SG6 1AD51.990046-0.214581522693233904TL226339Yes
SG6 1AE51.990448-0.215061522659233948TL226339Yes
SG6 1AF51.989252-0.219186522379233808TL223338No
SG6 1AG51.992989-0.210051522996234239TL229342Yes
SG6 1AH51.99586-0.207868523138234562TL231345Yes
SG6 1AJ51.994376-0.207214523187234398TL231343Yes
SG6 1AL51.993709-0.208901523073234321TL230343Yes
SG6 1AP51.992349-0.215845522600234158TL225341Yes
SG6 1AQ51.988728-0.202473523528233778TL235337Yes
SG6 1AR51.992854-0.20943523039234225TL230342Yes
SG6 1AS51.992736-0.218291522431234197TL224341Yes
SG6 1AT51.992081-0.220166522304234121TL223341Yes
SG6 1AU51.981628-0.209208523085232977TL230329No
SG6 1AW51.993149-0.20818523124234260TL231342Yes
SG6 1AX51.990558-0.218159522446233955TL224339Yes
SG6 1AY51.990308-0.218824522401233926TL224339Yes
SG6 1BB51.983615-0.207425523202233201TL232332No
SG6 1BD51.980986-0.211898522902232901TL229329No
SG6 1BE51.980936-0.2104523005232898TL230328Yes
SG6 1BF51.981628-0.209208523085232977TL230329No
SG6 1BG51.981096-0.219174522402232901TL224329No
SG6 1BH51.982843-0.224114522058233087TL220330Yes
SG6 1BJ51.980332-0.212055522893232828TL228328No
SG6 1BL51.98251-0.223458522104233051TL221330Yes
SG6 1BN51.984757-0.223398522102233301TL221333No
SG6 1BP51.984687-0.221784522213233296TL222332Yes
SG6 1BQ51.988801-0.202499523526233786TL235337No
SG6 1BS51.984482-0.221851522209233273TL222332Yes
SG6 1BT51.985347-0.220826522277233371TL222333Yes
SG6 1BU51.984717-0.22257522159233298TL221332Yes
SG6 1BW51.983634-0.222889522140233177TL221331No
SG6 1BX51.986186-0.221565522224233463TL222334Yes
SG6 1BY51.987052-0.22239522165233558TL221335Yes
SG6 1BZ51.987223-0.219427522368233582TL223335Yes
SG6 1DA51.987803-0.21853522428233648TL224336Yes
SG6 1DB51.987534-0.216196522589233622TL225336Yes
SG6 1DD51.988475-0.215998522600233727TL225337Yes
SG6 1DE51.98843-0.214748522686233724TL226337Yes
SG6 1DF51.988688-0.213441522775233755TL227337Yes
SG6 1DG51.988969-0.211784522888233789TL228337Yes
SG6 1DH51.989645-0.213068522798233862TL227338Yes
SG6 1DJ51.989533-0.21399522735233848TL227338Yes
SG6 1DL51.986598-0.212563522841233524TL228335Yes
SG6 1DN51.986899-0.213425522781233556TL227335Yes
SG6 1DP51.9874-0.212094522871233614TL228336Yes
SG6 1DQ51.989333-0.212629522829233828TL228338Yes
SG6 1DR51.986723-0.218413522439233528TL224335Yes
SG6 1DS51.986257-0.21798522470233477TL224334Yes
SG6 1DT51.986153-0.215246522658233470TL226334Yes
SG6 1DU51.987503-0.214726522690233621TL226336Yes
SG6 1DW51.986336-0.213666522766233493TL227334Yes
SG6 1DX51.98711-0.214305522720233578TL227335Yes
SG6 1DY51.988235-0.212032522873233707TL228337Yes
SG6 1DZ51.987809-0.211801522890233660TL228336Yes
SG6 1EA51.989147-0.209884523018233812TL230338Yes
SG6 1EB51.989896-0.211238522923233893TL229338Yes
SG6 1ED51.991332-0.211632522892234052TL228340Yes
SG6 1EE51.983254-0.215565522644233147TL226331No
SG6 1EF51.984036-0.220339522314233226TL223332Yes
SG6 1EG51.98791-0.208972523084233676TL230336Yes
SG6 1EH51.986614-0.208892523093233532TL230335Yes
SG6 1EJ51.986037-0.21177522897233463TL228334Yes
SG6 1EL51.985541-0.213989522746233404TL227334Yes
SG6 1EN51.984691-0.219032522402233301TL224333No
SG6 1EP51.985041-0.219571522364233339TL223333No
SG6 1EQ51.9873-0.209652523039233607TL230336Yes
SG6 1ER51.984713-0.220487522302233301TL223333No
SG6 1ES51.983775-0.222112522193233194TL221331No
SG6 1ET51.984226-0.218613522432233250TL224332Yes
SG6 1EU51.984036-0.220339522314233226TL223332No
SG6 1EW51.984691-0.219032522402233301TL224333No
SG6 1EX51.98421-0.219357522381233247TL223332Yes
SG6 1EY51.983775-0.222112522193233194TL221331No
SG6 1EZ51.985169-0.219144522393233354TL223333No
SG6 1FA51.991794-0.209516523036234107TL230341Yes
SG6 1FB51.983335-0.209649523050233166TL230331Yes
SG6 1FE51.982249-0.220468522310233027TL223330Yes
SG6 1FF51.983152-0.215991522615233135TL226331Yes
SG6 1FG51.983173-0.223912522071233124TL220331Yes
SG6 1FL51.989311-0.21949522358233814TL223338Yes
SG6 1FN51.979741-0.21403522759232759TL227327Yes
SG6 1FP51.980913-0.216575522581232885TL225328Yes
SG6 1FQ51.982534-0.218535522442233062TL224330Yes
SG6 1FR51.982058-0.216748522566233012TL225330Yes
SG6 1FS51.98159-0.217364522525232959TL225329No
SG6 1FT51.979548-0.2143522741232737TL227327Yes
SG6 1FU51.980257-0.224319522051232799TL220327Yes
SG6 1FW51.979571-0.212289522879232743TL228327Yes
SG6 1FX51.98007-0.212561522859232798TL228327Yes
SG6 1FY51.980417-0.213522522792232835TL227328Yes
SG6 1FZ51.980166-0.215353522667232804TL226328Yes
SG6 1GB51.982821-0.209553523058233109TL230331Yes
SG6 1GD51.98538-0.217024522538233381TL225333No
SG6 1GE51.988428-0.206373523261233738TL232337No
SG6 1GF51.985622-0.205714523314233427TL233334No
SG6 1GH51.98229-0.218443522449233035TL224330Yes
SG6 1GJ51.982946-0.21249522856233118TL228331Yes
SG6 1GL51.983082-0.21196522892233134TL228331Yes
SG6 1GN51.981628-0.209208523085232977TL230329No
SG6 1GP51.989013-0.206379523259233803TL232338Yes
SG6 1GQ51.98868-0.206946523221233765TL232337Yes
SG6 1GR51.988525-0.206253523269233749TL232337Yes
SG6 1GT51.989397-0.20565523308233847TL233338Yes
SG6 1GU51.989004-0.205229523338233804TL233338Yes
SG6 1HA51.990715-0.203587523446233997TL234339Yes
SG6 1HB51.987248-0.206828523233233606TL232336Yes
SG6 1HD51.988295-0.203568523454233728TL234337Yes
SG6 1HE51.98482-0.215721522629233321TL226333Yes
SG6 1HF51.983402-0.215282522663233164TL226331No
SG6 1HG51.981924-0.215035522684233000TL226330Yes
SG6 1HH51.987188-0.205826523302233601TL233336No
SG6 1HJ51.989716-0.204137523411233885TL234338Yes
SG6 1HL51.98958-0.201696523579233874TL235338No
SG6 1HN51.989001-0.202637523516233808TL235338Yes
SG6 1HP51.985255-0.209413523061233380TL230333Yes
SG6 1HQ51.981602-0.209223523084232974TL230329Yes
SG6 1HR51.990038-0.202886523496233923TL234339Yes
SG6 1HS51.98967-0.204052523417233880TL234338No
SG6 1HT51.989265-0.203442523460233836TL234338No
SG6 1HU51.981837-0.218839522423232984TL224329Yes
SG6 1HW51.987242-0.205824523302233607TL233336No
SG6 1HX51.982375-0.219895522349233042TL223330Yes
SG6 1HY51.982134-0.218857522421233017TL224330No
SG6 1HZ51.982017-0.220594522302233001TL223330No
SG6 1JA51.982126-0.218886522419233016TL224330Yes
SG6 1JB51.981995-0.219139522402233001TL224330No
SG6 1JD51.981118-0.22063522302232901TL223329No
SG6 1JE51.981511-0.219231522397232947TL223329Yes
SG6 1JF51.983561-0.21449522717233183TL227331Yes
SG6 1JG51.981527-0.217963522484232951TL224329Yes
SG6 1JH51.983306-0.210714522977233161TL229331Yes
SG6 1JJ51.980896-0.217814522496232881TL224328Yes
SG6 1JL51.980488-0.217626522510232836TL225328No
SG6 1JN51.980175-0.217755522502232801TL225328No
SG6 1JP51.979211-0.213425522802232701TL228327No
SG6 1JQ51.985589-0.218996522402233401TL224334No
SG6 1JR51.983762-0.212312522866233209TL228332No
SG6 1JS51.981435-0.216598522578232943TL225329Yes
SG6 1JT51.981066-0.214239522741232906TL227329Yes
SG6 1JU51.98407-0.206576523259233253TL232332No
SG6 1JW51.979247-0.215229522678232702TL226327Yes
SG6 1JX51.984387-0.217952522477233269TL224332Yes
SG6 1JY51.982521-0.215288522665233066TL226330Yes
SG6 1JZ51.984685-0.209727523041233316TL230333Yes
SG6 1LA51.982002-0.213678522777233011TL227330Yes
SG6 1LB51.983051-0.21467522706233126TL227331Yes
SG6 1LE51.984192-0.211013522954233259TL229332No
SG6 1LF51.980087-0.211934522902232801TL229328No
SG6 1LG51.980087-0.211934522902232801TL229328No
SG6 1LH51.981151-0.216231522604232912TL226329Yes
SG6 1LJ51.98097-0.216777522567232891TL225328Yes
SG6 1LL51.981794-0.211211522947232992TL229329Yes
SG6 1LN51.983762-0.212341522864233209TL228332Yes
SG6 1LP51.984468-0.20675523246233297TL232332Yes
SG6 1LQ51.979189-0.21197522902232701TL229327No
SG6 1LR51.983638-0.20888523102233201TL231332No
SG6 1LS51.982647-0.2094523069233090TL230330No
SG6 1LT51.98335-0.210086523020233167TL230331No
SG6 1LW51.985067-0.204148523423233368TL234333Yes
SG6 1LX51.984106-0.208308523140233254TL231332No
SG6 1LY51.984572-0.202945523507233315TL235333No
SG6 1LZ51.984492-0.205933523302233301TL233333No
SG6 1NA51.985016-0.204908523371233361TL233333Yes
SG6 1NB51.98447-0.204478523402233301TL234333No
SG6 1ND51.980977-0.211928522900232900TL228328Yes
SG6 1NE51.984649-0.203845523445233322TL234333Yes
SG6 1NG51.983638-0.20888523102233201TL231332No
SG6 1NH51.980651-0.224245522055232843TL220328Yes
SG6 1NJ51.985391-0.205898523302233401TL233334No
SG6 1NL51.985391-0.205898523302233401TL233334No
SG6 1NN51.985391-0.205898523302233401TL233334No
SG6 1NP51.985398-0.204019523431233405TL234334Yes
SG6 1NQ51.98265-0.203095523502233101TL235331No
SG6 1NR51.984918-0.204999523365233350TL233333Yes
SG6 1NS51.981158-0.211367522938232921TL229329No
SG6 1NT51.985012-0.207005523227233357TL232333Yes
SG6 1NU51.985493-0.206126523286233412TL232334Yes
SG6 1NX51.978397-0.223271522128232594TL221325Yes
SG6 1NY51.979761-0.224266522056232744TL220327Yes
SG6 1NZ51.978736-0.224248522060232630TL220326No
SG6 1PA51.98032-0.224316522051232806TL220328No
SG6 1PB51.98032-0.224316522051232806TL220328No
SG6 1PD51.979387-0.225067522002232701TL220327No
SG6 1PE51.983078-0.214654522707233129TL227331No
SG6 1PF51.985683-0.206803523239233432TL232334Yes
SG6 1PG51.98139-0.22372522089232926TL220329No
SG6 1PH51.981253-0.223027522137232912TL221329Yes
SG6 1PJ51.981809-0.222321522184232975TL221329Yes
SG6 1PL51.981587-0.220728522294232953TL222329Yes




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