DH99 postcode district: Durham and around
DH99 is a postcode district in England, with 3 postcodes in use in 1 sector. It has postcodes in Durham. Its council is County Durham.
- Postcodes in use
- 3
- Sectors
- 1
- Council
- County Durham
- Places
- Durham
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources
Every postcode in DH99, and which are new since 2020
- New since 2020: 1
- In use before 2020: 2
Of the 3 postcodes in DH99 that ONS places, 1 are new since 2020 and 2 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 54.7882, longitude -1.5494. 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
The newest postcode
Is DH99 at risk of flooding?
None of the 3 postcodes in DH99 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.
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 DH99
Pick a sector, then a postcode. A sector is the district plus the next digit.
UK postcode format explainedPlaces in DH99
Towns and villages with postcodes in DH99, and how many each has here.
Who covers DH99
How many of the district's postcodes in use fall under each council, constituency and police force area.
Next to DH99
"Next to" is by number: the district before DH99 in the DH area.
Check a postcode
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