N18 3 postcode sector in the N18 district

N18 3 is a sector of the N18 district: every postcode that starts N18 3. It has 35 postcodes in use, 3 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 N18 3 sector, and which are new since 2020

Map of every postcode in the N18 3 sector, by new since 2020 Of the 35 postcodes in the N18 3 sector that ONS places, 1 are new since 2020 and 34 were in use before 2020. Places named: Edmonton Green, Upper Edmonton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1055A406 N18 3AB: before 2020N18 3AF: before 2020N18 3AG: before 2020N18 3AH: before 2020N18 3AJ: before 2020N18 3AL: before 2020N18 3AT: before 2020N18 3BA: before 2020N18 3BB: before 2020N18 3BD: before 2020N18 3BF: before 2020N18 3BH: before 2020N18 3BY: before 2020N18 3DJ: before 2020N18 3DW: before 2020N18 3HA: before 2020N18 3HF: before 2020N18 3HQ: before 2020N18 3HT: before 2020N18 3HU: before 2020N18 3PA: before 2020N18 3PD: before 2020N18 3PE: before 2020N18 3PH: before 2020N18 3PL: before 2020N18 3PN: before 2020N18 3PP: before 2020N18 3PR: before 2020N18 3PS: before 2020N18 3PU: before 2020N18 3QT: before 2020N18 3QU: before 2020N18 3QW: before 2020N18 3QX: before 2020N18 3BJ: new since 2020 Edmonton GreenUpper Edmonton Map of every postcode in the N18 3 sector, by new since 2020 Of the 35 postcodes in the N18 3 sector that ONS places, 1 are new since 2020 and 34 were in use before 2020. Places named: Edmonton Green, Upper Edmonton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A406 Edmonton GreenUpper Edmonton
  • New since 2020: 1
  • In use before 2020: 34

Of the 35 postcodes in the N18 3 sector that ONS places, 1 are new since 2020 and 34 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Names in italics are council wards: we hold no town or village names here.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: 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. How we use them

The newest postcode

N18 3BJAugust 2024

Postcodes in N18 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.

N18 3ABN18 3AFN18 3AGN18 3AHN18 3AJN18 3ALN18 3ATN18 3BAN18 3BBN18 3BDN18 3BFN18 3BHN18 3BJN18 3BYN18 3DJN18 3DWN18 3HAN18 3HFN18 3HQN18 3HTN18 3HUN18 3PAN18 3PDN18 3PEN18 3PHN18 3PLN18 3PNN18 3PPN18 3PRN18 3PSN18 3PUN18 3QTN18 3QUN18 3QWN18 3QX

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

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.

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