What area is the WA4 postcode in?

WA4 is a postcode district in Warrington, Warrington, North West, England. It is part of the WA postcode area.

How many addresses are in the WA4 postcode?

The WA4 postcode district covers Warrington in Warrington. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in WA4 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 WA4. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · North West

WA4 Postcode — Warrington

WA4 is a postcode district in Warrington, Warrington, North West, England. Use the lookup below to explore addresses within this postcode district.

WA4

Postcode District

WA — Warrington

Area

North West

Region

Royal Mail PAF

Data Source

Postcode Lookup — WA4 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "WA4 1AA",
    "quality": 1,
    "eastings": 353408,
    "northings": 441863,
    "country": "England",
    "nhs_ha": "North West",
    "longitude": -2.6656,
    "latitude": 53.4312,
    "european_electoral_region": "North West",
    "primary_care_trust": "Warrington",
    "region": "North West",
    "lsoa": "Warrington 001A",
    "msoa": "Warrington 001",
    "incode": "1AA",
    "outcode": "WA4",
    "parliamentary_constituency": "Warrington",
    "admin_district": "Warrington",
    "parish": "Warrington, unparished area",
    "admin_county": "North West",
    "admin_ward": "Warrington Central",
    "ced": null,
    "ccg": "NHS North West",
    "nuts": "Warrington",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the WA4 Postcode District

The WA4 postcode district is part of the Warrington (WA) postcode area, covering Warrington and surrounding areas in North West, England.

Postcodes in the WA4 district follow the format WA4 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Warrington postcode area (WA) also covers: Runcorn, Widnes, Lymm, Culcheth.

Frequently Asked Questions

What area does the WA4 postcode cover?

The WA4 postcode district covers Warrington in Warrington, North West, England. It is one of 16 districts in the WA postcode area.

How do I look up all addresses in the WA4 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 WA4. The API returns all Royal Mail PAF addresses as structured JSON.

Is WA4 a valid UK postcode district?

Yes. WA4 is a Royal Mail postcode district in Warrington, England. Full UK postcodes in this district follow the format WA4 followed by a digit and two letters (e.g. WA4 1AA).

WA4 Postcode — Warrington

About the WA4 Postcode District

Frequently Asked Questions

Other Warrington Postcode Districts