What area is the DN3 postcode in?

DN3 is a postcode district in Doncaster, Doncaster, Yorkshire, England. It is part of the DN postcode area.

How many addresses are in the DN3 postcode?

The DN3 postcode district covers Doncaster in Doncaster. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in DN3 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 DN3. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · Yorkshire

DN3 Postcode — Doncaster

DN3 is a postcode district in Doncaster, Doncaster, Yorkshire, England. Use the lookup below to explore addresses within this postcode district.

DN3

Postcode District

DN — Doncaster

Area

Yorkshire

Region

Royal Mail PAF

Data Source

Postcode Lookup — DN3 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "DN3 1AA",
    "quality": 1,
    "eastings": 463420,
    "northings": 447280,
    "country": "England",
    "nhs_ha": "Yorkshire",
    "longitude": -1.094,
    "latitude": 53.48,
    "european_electoral_region": "Yorkshire",
    "primary_care_trust": "Doncaster",
    "region": "Yorkshire",
    "lsoa": "Doncaster 001A",
    "msoa": "Doncaster 001",
    "incode": "1AA",
    "outcode": "DN3",
    "parliamentary_constituency": "Doncaster",
    "admin_district": "Doncaster",
    "parish": "Doncaster, unparished area",
    "admin_county": "Yorkshire",
    "admin_ward": "Doncaster Central",
    "ced": null,
    "ccg": "NHS Yorkshire",
    "nuts": "Doncaster",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the DN3 Postcode District

The DN3 postcode district is part of the Doncaster (DN) postcode area, covering Doncaster and surrounding areas in Yorkshire, England.

Postcodes in the DN3 district follow the format DN3 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Doncaster postcode area (DN) also covers: Rotherham, Scunthorpe, Gainsborough, Worksop.

Frequently Asked Questions

What area does the DN3 postcode cover?

The DN3 postcode district covers Doncaster in Doncaster, Yorkshire, England. It is one of 31 districts in the DN postcode area.

How do I look up all addresses in the DN3 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 DN3. The API returns all Royal Mail PAF addresses as structured JSON.

Is DN3 a valid UK postcode district?

Yes. DN3 is a Royal Mail postcode district in Doncaster, England. Full UK postcodes in this district follow the format DN3 followed by a digit and two letters (e.g. DN3 1AA).

DN3 Postcode — Doncaster

About the DN3 Postcode District

Frequently Asked Questions

Other Doncaster Postcode Districts