IP11 4 postcode sector in the IP11 district

IP11 4 is a sector of the IP11 district: every postcode that starts IP11 4. It has 16 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 IP11 4 sector, by gigabit broadband

Map of every postcode in the IP11 4 sector, by gigabit broadband Of the 16 postcodes in the IP11 4 sector that ONS places, 2 have no home or business that can get gigabit, 3 have some that can, 7 can all get it and 4 have no Ofcom figure. Places named: Orwell & Villages, Western Felixstowe. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A14A154 IP11 4AG: no Ofcom figureIP11 4AZ: no Ofcom figureIP11 4BE: no Ofcom figureIP11 4AX: gigabit for allIP11 4AY: gigabit for allIP11 4BA: gigabit for allIP11 4BB: gigabit for allIP11 4HQ: gigabit for allIP11 4HU: gigabit for allIP11 4XA: gigabit for allIP11 4AW: some gigabitIP11 4HF: some gigabitIP11 4XQ: some gigabitIP11 4SS: no gigabitIP11 4ST: no gigabit Orwell & VillagesWestern Felixstowe Map of every postcode in the IP11 4 sector, by gigabit broadband Of the 16 postcodes in the IP11 4 sector that ONS places, 2 have no home or business that can get gigabit, 3 have some that can, 7 can all get it and 4 have no Ofcom figure. Places named: Orwell & Villages, Western Felixstowe. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A14 Orwell & VillagesWestern Felixstowe
  • No home or business can get gigabit: 2
  • Some can get gigabit: 3
  • Every home and business can get gigabit: 7
  • Ofcom gives no figure: 4

Of the 16 postcodes in the IP11 4 sector that ONS places, 2 have no home or business that can get gigabit, 3 have some that can, 7 can all get it and 4 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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; gigabit: Ofcom, Connected Nations, Spring 2026; 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

Postcodes without gigabit

Postcodes in IP11 4

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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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