What area is the WN3 postcode in?

WN3 is a postcode district in Wigan, Wigan, North West, England. It is part of the WN postcode area.

How many addresses are in the WN3 postcode?

The WN3 postcode district covers Wigan in Wigan. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in WN3 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 WN3. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · North West

WN3 Postcode — Wigan

WN3 is a postcode district in Wigan, Wigan, North West, England. Use the lookup below to explore addresses within this postcode district.

WN3

Postcode District

WN — Wigan

Area

North West

Region

Royal Mail PAF

Data Source

Postcode Lookup — WN3 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "WN3 1AA",
    "quality": 1,
    "eastings": 350650,
    "northings": 457448,
    "country": "England",
    "nhs_ha": "North West",
    "longitude": -2.705,
    "latitude": 53.5716,
    "european_electoral_region": "North West",
    "primary_care_trust": "Wigan",
    "region": "North West",
    "lsoa": "Wigan 001A",
    "msoa": "Wigan 001",
    "incode": "1AA",
    "outcode": "WN3",
    "parliamentary_constituency": "Wigan",
    "admin_district": "Wigan",
    "parish": "Wigan, unparished area",
    "admin_county": "North West",
    "admin_ward": "Wigan Central",
    "ced": null,
    "ccg": "NHS North West",
    "nuts": "Wigan",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the WN3 Postcode District

The WN3 postcode district is part of the Wigan (WN) postcode area, covering Wigan and surrounding areas in North West, England.

Postcodes in the WN3 district follow the format WN3 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Wigan postcode area (WN) also covers: Leigh, Atherton, Hindley, Skelmersdale.

Frequently Asked Questions

What area does the WN3 postcode cover?

The WN3 postcode district covers Wigan in Wigan, North West, England. It is one of 8 districts in the WN postcode area.

How do I look up all addresses in the WN3 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 WN3. The API returns all Royal Mail PAF addresses as structured JSON.

Is WN3 a valid UK postcode district?

Yes. WN3 is a Royal Mail postcode district in Wigan, England. Full UK postcodes in this district follow the format WN3 followed by a digit and two letters (e.g. WN3 1AA).

WN3 Postcode — Wigan

About the WN3 Postcode District

Frequently Asked Questions

Other Wigan Postcode Districts