What area is the DL4 postcode in?

DL4 is a postcode district in Darlington, Darlington, North East, England. It is part of the DL postcode area.

How many addresses are in the DL4 postcode?

The DL4 postcode district covers Darlington in Darlington. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in DL4 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 DL4. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · North East

DL4 Postcode — Darlington

DL4 is a postcode district in Darlington, Darlington, North East, England. Use the lookup below to explore addresses within this postcode district.

DL4

Postcode District

DL — Darlington

Area

North East

Region

Royal Mail PAF

Data Source

Postcode Lookup — DL4 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "DL4 1AA",
    "quality": 1,
    "eastings": 433978,
    "northings": 567782,
    "country": "England",
    "nhs_ha": "North East",
    "longitude": -1.5146,
    "latitude": 54.5656,
    "european_electoral_region": "North East",
    "primary_care_trust": "Darlington",
    "region": "North East",
    "lsoa": "Darlington 001A",
    "msoa": "Darlington 001",
    "incode": "1AA",
    "outcode": "DL4",
    "parliamentary_constituency": "Darlington",
    "admin_district": "Darlington",
    "parish": "Darlington, unparished area",
    "admin_county": "North East",
    "admin_ward": "Darlington Central",
    "ced": null,
    "ccg": "NHS North East",
    "nuts": "Darlington",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the DL4 Postcode District

The DL4 postcode district is part of the Darlington (DL) postcode area, covering Darlington and surrounding areas in North East, England.

Postcodes in the DL4 district follow the format DL4 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Darlington postcode area (DL) also covers: Barnard Castle, Bishop Auckland, Newton Aycliffe, Shildon.

Frequently Asked Questions

What area does the DL4 postcode cover?

The DL4 postcode district covers Darlington in Darlington, North East, England. It is one of 17 districts in the DL postcode area.

How do I look up all addresses in the DL4 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 DL4. The API returns all Royal Mail PAF addresses as structured JSON.

Is DL4 a valid UK postcode district?

Yes. DL4 is a Royal Mail postcode district in Darlington, England. Full UK postcodes in this district follow the format DL4 followed by a digit and two letters (e.g. DL4 1AA).

DL4 Postcode — Darlington

About the DL4 Postcode District

Frequently Asked Questions

Other Darlington Postcode Districts