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, by gigabit broadband

Map of every postcode in the N18 3 sector, by gigabit broadband Of the 35 postcodes in the N18 3 sector that ONS places, 3 have no home or business that can get gigabit, 14 have some that can and 18 can all get it. 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 3AF: gigabit for allN18 3AH: gigabit for allN18 3AJ: gigabit for allN18 3AL: gigabit for allN18 3AT: gigabit for allN18 3BA: gigabit for allN18 3BF: gigabit for allN18 3BY: gigabit for allN18 3DW: gigabit for allN18 3HA: gigabit for allN18 3HQ: gigabit for allN18 3PD: gigabit for allN18 3PE: gigabit for allN18 3PH: gigabit for allN18 3PL: gigabit for allN18 3PN: gigabit for allN18 3PS: gigabit for allN18 3PU: gigabit for allN18 3BB: some gigabitN18 3BD: some gigabitN18 3BH: some gigabitN18 3DJ: some gigabitN18 3HF: some gigabitN18 3HT: some gigabitN18 3HU: some gigabitN18 3PA: some gigabitN18 3PP: some gigabitN18 3PR: some gigabitN18 3QT: some gigabitN18 3QU: some gigabitN18 3QW: some gigabitN18 3QX: some gigabitN18 3AB: no gigabitN18 3AG: no gigabitN18 3BJ: no gigabit Edmonton GreenUpper Edmonton Map of every postcode in the N18 3 sector, by gigabit broadband Of the 35 postcodes in the N18 3 sector that ONS places, 3 have no home or business that can get gigabit, 14 have some that can and 18 can all get it. 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
  • No home or business can get gigabit: 3
  • Some can get gigabit: 14
  • Every home and business can get gigabit: 18
  • Ofcom gives no figure: 0

Of the 35 postcodes in the N18 3 sector that ONS places, 3 have no home or business that can get gigabit, 14 have some that can and 18 can all get it.

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. 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

N18 3ABN18 3AGN18 3BJ

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: 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.

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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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