What area is the DH3 postcode in?

DH3 is a postcode district in Durham, Durham, North East, England. It is part of the DH postcode area.

How many addresses are in the DH3 postcode?

The DH3 postcode district covers Durham in Durham. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in DH3 programmatically?

Use the APITier Postcode Lookup API: GET https://postcode.apitier.com/v1/postcodes/{postcode}?x-api-key=YOUR_KEY — where the postcode begins with DH3. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · North East

DH3 Postcode — Durham

DH3 is a postcode district in Durham, Durham, North East, England. Use the lookup below to explore addresses within this postcode district.

DH3

Postcode District

DH — Durham

Area

North East

Region

Royal Mail PAF

Data Source

Postcode Lookup — DH3 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "DH3 1AA",
    "quality": 1,
    "eastings": 431878,
    "northings": 589893,
    "country": "England",
    "nhs_ha": "North East",
    "longitude": -1.5446,
    "latitude": 54.7648,
    "european_electoral_region": "North East",
    "primary_care_trust": "Durham",
    "region": "North East",
    "lsoa": "Durham 001A",
    "msoa": "Durham 001",
    "incode": "1AA",
    "outcode": "DH3",
    "parliamentary_constituency": "Durham",
    "admin_district": "Durham",
    "parish": "Durham, unparished area",
    "admin_county": "North East",
    "admin_ward": "Durham Central",
    "ced": null,
    "ccg": "NHS North East",
    "nuts": "Durham",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the DH3 Postcode District

The DH3 postcode district is part of the Durham (DH) postcode area, covering Durham and surrounding areas in North East, England.

Postcodes in the DH3 district follow the format DH3 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Durham postcode area (DH) also covers: Chester-le-Street, Consett, Stanley, Peterlee.

Frequently Asked Questions

What area does the DH3 postcode cover?

The DH3 postcode district covers Durham in Durham, North East, England. It is one of 9 districts in the DH postcode area.

How do I look up all addresses in the DH3 postcode?

Use the live lookup widget above or call the APITier Postcode Lookup API: GET https://postcode.apitier.com/v1/postcodes/{full postcode}?x-api-key=YOUR_KEY. Replace {full postcode} with any complete postcode beginning DH3. The API returns all Royal Mail PAF addresses as structured JSON.

Is DH3 a valid UK postcode district?

Yes. DH3 is a Royal Mail postcode district in Durham, England. Full UK postcodes in this district follow the format DH3 followed by a digit and two letters (e.g. DH3 1AA).

DH3 Postcode — Durham

About the DH3 Postcode District

Frequently Asked Questions

Other Durham Postcode Districts