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.

Postcodes in use: 10
Sectors: 1
Council: York
Places: York

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in YO90, and which are new since 2020

New since 2020: 0
In use before 2020: 10

Of the 10 postcodes in YO90 that ONS places, 10 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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

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.

Postcodes where every home can get gigabit1 of 1

Postcodes where every home can get superfast1 of 1

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 checker

Source: 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.

Homes and businesses in an area at risk, at 3 of 10 postcodes High: 2Medium: 2Low: 1

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