DN40 3 postcode sector in the DN40 district

DN40 3 is a sector of the DN40 district: every postcode that starts DN40 3. It has 132 postcodes in use, 6 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the DN40 3 sector, by gigabit broadband

Map of every postcode in the DN40 3 sector, by gigabit broadband Of the 132 postcodes in the DN40 3 sector that ONS places, 20 have no home or business that can get gigabit, 8 have some that can, 102 can all get it and 2 have no Ofcom figure. Places named: Immingham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A1077A1173A160 DN40 3DW: no Ofcom figureDN40 3AD: gigabit for allDN40 3AE: gigabit for allDN40 3AG: gigabit for allDN40 3AH: gigabit for allDN40 3AJ: gigabit for allDN40 3AN: gigabit for allDN40 3AQ: gigabit for allDN40 3AS: gigabit for allDN40 3AU: gigabit for allDN40 3AW: gigabit for allDN40 3BS: gigabit for allDN40 3BT: gigabit for allDN40 3BU: gigabit for allDN40 3BY: gigabit for allDN40 3BZ: gigabit for allDN40 3DA: gigabit for allDN40 3DB: gigabit for allDN40 3DD: gigabit for allDN40 3DE: gigabit for allDN40 3DF: gigabit for allDN40 3DG: gigabit for allDN40 3DJ: gigabit for allDN40 3DQ: gigabit for allDN40 3DR: gigabit for allDN40 3EE: gigabit for allDN40 3EL: gigabit for allDN40 3EN: gigabit for allDN40 3EP: gigabit for allDN40 3ER: gigabit for allDN40 3ET: gigabit for allDN40 3EU: gigabit for allDN40 3EW: gigabit for allDN40 3EX: gigabit for allDN40 3EY: gigabit for allDN40 3EZ: gigabit for allDN40 3FB: gigabit for allDN40 3HA: gigabit for allDN40 3HB: gigabit for allDN40 3HD: gigabit for allDN40 3HE: gigabit for allDN40 3HF: gigabit for allDN40 3HG: gigabit for allDN40 3HH: gigabit for allDN40 3HL: gigabit for allDN40 3HN: gigabit for allDN40 3HP: gigabit for allDN40 3HR: gigabit for allDN40 3HS: gigabit for allDN40 3HT: gigabit for allDN40 3HU: gigabit for allDN40 3HW: gigabit for allDN40 3HX: gigabit for allDN40 3HY: gigabit for allDN40 3HZ: gigabit for allDN40 3JA: gigabit for allDN40 3JB: gigabit for allDN40 3JD: gigabit for allDN40 3JE: gigabit for allDN40 3JF: gigabit for allDN40 3JH: gigabit for allDN40 3JJ: gigabit for allDN40 3JL: gigabit for allDN40 3JN: gigabit for allDN40 3JQ: gigabit for allDN40 3JR: gigabit for allDN40 3JU: gigabit for allDN40 3JW: gigabit for allDN40 3JX: gigabit for allDN40 3JY: gigabit for allDN40 3JZ: gigabit for allDN40 3LJ: gigabit for allDN40 3LW: gigabit for allDN40 3NF: gigabit for allDN40 3NL: gigabit for allDN40 3NP: gigabit for allDN40 3NR: gigabit for allDN40 3NS: gigabit for allDN40 3NT: gigabit for allDN40 3NU: gigabit for allDN40 3NW: gigabit for allDN40 3NX: gigabit for allDN40 3PA: gigabit for allDN40 3PB: gigabit for allDN40 3PD: gigabit for allDN40 3PJ: gigabit for allDN40 3PL: gigabit for allDN40 3PN: gigabit for allDN40 3PP: gigabit for allDN40 3PR: gigabit for allDN40 3PS: gigabit for allDN40 3PT: gigabit for allDN40 3PU: gigabit for allDN40 3PX: gigabit for allDN40 3PY: gigabit for allDN40 3PZ: gigabit for allDN40 3QA: gigabit for allDN40 3QB: gigabit for allDN40 3QD: gigabit for allDN40 3QE: gigabit for allDN40 3QY: gigabit for allDN40 3RA: gigabit for allDN40 3AB: some gigabitDN40 3AF: some gigabitDN40 3AL: some gigabitDN40 3AP: some gigabitDN40 3BB: some gigabitDN40 3BD: some gigabitDN40 3PW: some gigabitDN40 3QG: some gigabitDN40 3AA: no gigabitDN40 3AT: no gigabitDN40 3AX: no gigabitDN40 3AY: no gigabitDN40 3BA: no gigabitDN40 3BG: no gigabitDN40 3BH: no gigabitDN40 3DS: no gigabitDN40 3DU: no gigabitDN40 3DX: no gigabitDN40 3DZ: no gigabitDN40 3EA: no gigabitDN40 3ED: no gigabitDN40 3JP: no gigabitDN40 3JS: no gigabitDN40 3LA: no gigabitDN40 3LU: no gigabitDN40 3LX: no gigabitDN40 3LZ: no gigabitDN40 3RD: no gigabit Immingham Map of every postcode in the DN40 3 sector, by gigabit broadband Of the 132 postcodes in the DN40 3 sector that ONS places, 20 have no home or business that can get gigabit, 8 have some that can, 102 can all get it and 2 have no Ofcom figure. Places named: Ferry, Immingham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A1077A1173 FerryImmingham
  • No home or business can get gigabit: 20
  • Some can get gigabit: 8
  • Every home and business can get gigabit: 102
  • Ofcom gives no figure: 2

Of the 132 postcodes in the DN40 3 sector that ONS places, 20 have no home or business that can get gigabit, 8 have some that can, 102 can all get it and 2 have no Ofcom figure.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. Names in italics are council wards: we hold no town or village names here.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre.

Postcodes without gigabit

20 postcodes here have no gigabit. These are the 12 first in postcode order.

DN40 3AADN40 3ATDN40 3AXDN40 3AYDN40 3BADN40 3BGDN40 3BHDN40 3DSDN40 3DUDN40 3DXDN40 3DZDN40 3EA

What do homes sell for in DN40 3?

Homes in DN40 3 sold for a typical £152,500 in the 12 months to September 2026, across 33 sales, HM Land Registry's figures show. The 12 months before gave £159,950 from 33 sales: not a change larger than chance would explain, given which homes happened to sell.

£152,500 typical price, the 12 months to September 2026
£159,950 12 months to September 2025
  • Detached £235,000 12 sales
  • Semi-detached £145,000 19 sales
  • Terraced 2 sales, too few to price

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start DN40 3. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 October 2026.

Postcodes in DN40 3

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

DN40 3AADN40 3ABDN40 3ADDN40 3AEDN40 3AFDN40 3AGDN40 3AHDN40 3AJDN40 3ALDN40 3ANDN40 3APDN40 3AQDN40 3ASDN40 3ATDN40 3AUDN40 3AWDN40 3AXDN40 3AYDN40 3BADN40 3BBDN40 3BDDN40 3BGDN40 3BHDN40 3BSDN40 3BTDN40 3BUDN40 3BYDN40 3BZDN40 3DADN40 3DBDN40 3DDDN40 3DEDN40 3DFDN40 3DGDN40 3DJDN40 3DQDN40 3DRDN40 3DSDN40 3DUDN40 3DWDN40 3DXDN40 3DZDN40 3EADN40 3EDDN40 3EEDN40 3ELDN40 3ENDN40 3EPDN40 3ERDN40 3ETDN40 3EUDN40 3EWDN40 3EXDN40 3EYDN40 3EZDN40 3FBDN40 3HADN40 3HBDN40 3HDDN40 3HEDN40 3HFDN40 3HGDN40 3HHDN40 3HLDN40 3HNDN40 3HPDN40 3HQDN40 3HRDN40 3HSDN40 3HTDN40 3HUDN40 3HWDN40 3HXDN40 3HYDN40 3HZDN40 3JADN40 3JBDN40 3JDDN40 3JEDN40 3JFDN40 3JHDN40 3JJDN40 3JLDN40 3JNDN40 3JPDN40 3JQDN40 3JRDN40 3JSDN40 3JUDN40 3JWDN40 3JXDN40 3JYDN40 3JZDN40 3LADN40 3LBDN40 3LJDN40 3LUDN40 3LWDN40 3LXDN40 3LZDN40 3NFDN40 3NLDN40 3NPDN40 3NRDN40 3NSDN40 3NTDN40 3NUDN40 3NWDN40 3NXDN40 3PADN40 3PBDN40 3PDDN40 3PJDN40 3PLDN40 3PNDN40 3PPDN40 3PRDN40 3PSDN40 3PTDN40 3PUDN40 3PWDN40 3PXDN40 3PYDN40 3PZDN40 3QADN40 3QBDN40 3QDDN40 3QEDN40 3QGDN40 3QYDN40 3RADN40 3RD

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

Check a postcode

Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

Something wrong on this page? Report an error and we will check it against the source. All our sources