CB4 0 postcode sector in the CB4 district

CB4 0 is a sector of the CB4 district: every postcode that starts CB4 0. It has 47 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 CB4 0 sector, by flood risk

Map of every postcode in the CB4 0 sector, by flood risk Of the 47 postcodes in the CB4 0 sector that ONS places, 47 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Milton & Waterbeach, East Chesterton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A14A1309 CB4 0AB: not on the flood risk listCB4 0AF: not on the flood risk listCB4 0AH: not on the flood risk listCB4 0AP: not on the flood risk listCB4 0DL: not on the flood risk listCB4 0DN: not on the flood risk listCB4 0DS: not on the flood risk listCB4 0DT: not on the flood risk listCB4 0DW: not on the flood risk listCB4 0FJ: not on the flood risk listCB4 0FN: not on the flood risk listCB4 0FP: not on the flood risk listCB4 0FW: not on the flood risk listCB4 0FX: not on the flood risk listCB4 0FY: not on the flood risk listCB4 0FZ: not on the flood risk listCB4 0GA: not on the flood risk listCB4 0GD: not on the flood risk listCB4 0GF: not on the flood risk listCB4 0GH: not on the flood risk listCB4 0GJ: not on the flood risk listCB4 0GN: not on the flood risk listCB4 0GQ: not on the flood risk listCB4 0GZ: not on the flood risk listCB4 0JL: not on the flood risk listCB4 0PE: not on the flood risk listCB4 0PZ: not on the flood risk listCB4 0QA: not on the flood risk listCB4 0WA: not on the flood risk listCB4 0WB: not on the flood risk listCB4 0WD: not on the flood risk listCB4 0WE: not on the flood risk listCB4 0WF: not on the flood risk listCB4 0WG: not on the flood risk listCB4 0WH: not on the flood risk listCB4 0WN: not on the flood risk listCB4 0WS: not on the flood risk listCB4 0WT: not on the flood risk listCB4 0WU: not on the flood risk listCB4 0WW: not on the flood risk listCB4 0WZ: not on the flood risk listCB4 0XB: not on the flood risk listCB4 0XL: not on the flood risk list Milton & WaterbeachEast Chesterton Map of every postcode in the CB4 0 sector, by flood risk Of the 47 postcodes in the CB4 0 sector that ONS places, 47 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Milton & Waterbeach, East Chesterton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1309 Milton & WaterbeachEast Chesterton
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 47

Of the 47 postcodes in the CB4 0 sector that ONS places, 47 are not on the Environment Agency's at-risk list.

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; flood risk: Environment Agency, published 6 July 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

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.

CB4 0AE

Postcodes in CB4 0

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.

CB4 0ABCB4 0AECB4 0AFCB4 0AGCB4 0AHCB4 0APCB4 0DLCB4 0DNCB4 0DSCB4 0DTCB4 0DWCB4 0FJCB4 0FNCB4 0FPCB4 0FWCB4 0FXCB4 0FYCB4 0FZCB4 0GACB4 0GDCB4 0GFCB4 0GHCB4 0GJCB4 0GNCB4 0GQCB4 0GWCB4 0GZCB4 0JLCB4 0PECB4 0PZCB4 0QACB4 0WACB4 0WBCB4 0WDCB4 0WECB4 0WFCB4 0WGCB4 0WHCB4 0WNCB4 0WSCB4 0WTCB4 0WUCB4 0WWCB4 0WXCB4 0WZCB4 0XBCB4 0XL

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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