CB2 3 postcode sector in the CB2 district

CB2 3 is a sector of the CB2 district: every postcode that starts CB2 3. It has 65 postcodes in use, 23 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 CB2 3 sector, by gigabit broadband

Map of every postcode in the CB2 3 sector, by gigabit broadband Of the 65 postcodes in the CB2 3 sector that ONS places, 3 have no home or business that can get gigabit, 22 have some that can, 25 can all get it and 15 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: Market. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. CB2 3AS: no Ofcom figureCB2 3BJ: no Ofcom figureCB2 3ET: no Ofcom figureCB2 3NA: no Ofcom figureCB2 3ND: no Ofcom figureCB2 3QD: no Ofcom figureCB2 3QZ: no Ofcom figureCB2 3RH: no Ofcom figureCB2 3RQ: no Ofcom figureCB2 3AE: gigabit for allCB2 3AP: gigabit for allCB2 3BU: gigabit for allCB2 3BZ: gigabit for allCB2 3DS: gigabit for allCB2 3DT: gigabit for allCB2 3DY: gigabit for allCB2 3ER: gigabit for allCB2 3HU: gigabit for allCB2 3LR: gigabit for allCB2 3LS: gigabit for allCB2 3NE: gigabit for allCB2 3NZ: gigabit for allCB2 3PF: gigabit for allCB2 3QA: gigabit for allCB2 3QB: gigabit for allCB2 3QE: gigabit for allCB2 3QF: gigabit for allCB2 3QJ: gigabit for allCB2 3RF: gigabit for allCB2 3RR: gigabit for allCB2 3AH: some gigabitCB2 3AR: some gigabitCB2 3AX: some gigabitCB2 3EL: some gigabitCB2 3HG: some gigabitCB2 3HW: some gigabitCB2 3HX: some gigabitCB2 3JU: some gigabitCB2 3JX: some gigabitCB2 3LL: some gigabitCB2 3NB: some gigabitCB2 3NH: some gigabitCB2 3NJ: some gigabitCB2 3NR: some gigabitCB2 3PA: some gigabitCB2 3PJ: some gigabitCB2 3PP: some gigabitCB2 3PQ: some gigabitCB2 3PT: some gigabitCB2 3QN: some gigabitCB2 3QY: some gigabitCB2 3RD: some gigabitCB2 3HH: no gigabitCB2 3LP: no gigabitCB2 3PE: no gigabit Market Map of every postcode in the CB2 3 sector, by gigabit broadband Of the 65 postcodes in the CB2 3 sector that ONS places, 3 have no home or business that can get gigabit, 22 have some that can, 25 can all get it and 15 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: Market. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Market
  • No home or business can get gigabit: 3
  • Some can get gigabit: 22
  • Every home and business can get gigabit: 25
  • Ofcom gives no figure: 15

Of the 65 postcodes in the CB2 3 sector that ONS places, 3 have no home or business that can get gigabit, 22 have some that can, 25 can all get it and 15 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

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

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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