YO90 postcode district: York and around
YO90 is a postcode district in England, with 10 postcodes in use in 1 sector. It has postcodes in York. Its council is York.
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources
Every postcode in YO90, by flood risk
- A home or business at high risk: 1
- At medium risk at worst: 2
- At low risk at worst: 0
- At very low risk only: 0
- Not on the at-risk list: 7
Of the 10 postcodes in YO90 that ONS places, 1 have a home or business at high risk, 2 are at medium risk at worst and 7 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.
The middle of its postcodes: latitude 53.9597, longitude -1.0902. Open this area on OpenStreetMap
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
The postcodes at high risk
Beside each: how many of its homes and businesses the Environment Agency puts at that risk.
What broadband can you get in YO90?
Ofcom reports on 1 of the 10 postcodes in YO90. At 1 of them every home and business can get gigabit broadband.
Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.
Check one address on Ofcom's checkerSource: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it
Is YO90 at risk of flooding?
3 of the 10 postcodes in YO90 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 4 homes and businesses in an area at high or medium risk.
High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.
Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.
Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it
Postcodes in YO90
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in YO90
Towns and villages with postcodes in YO90, and how many each has here.
Who covers YO90
How many of the district's postcodes in use fall under each council, constituency and police force area.
Councils
- York10
Constituencies
- York Central10
Police force areas
- North Yorkshire10
Next to YO90
"Next to" is by number: the district before YO90 in the YO area.
Check a postcode
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