What area is the CW4 postcode in?

CW4 is a postcode district in Crewe, Crewe, North West, England. It is part of the CW postcode area.

How many addresses are in the CW4 postcode?

The CW4 postcode district covers Crewe in Crewe. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in CW4 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 CW4. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · North West

CW4 Postcode — Crewe

CW4 is a postcode district in Crewe, Crewe, North West, England. Use the lookup below to explore addresses within this postcode district.

CW4

Postcode District

CW — Crewe

Area

North West

Region

Royal Mail PAF

Data Source

Postcode Lookup — CW4 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "CW4 1AA",
    "quality": 1,
    "eastings": 372602,
    "northings": 401060,
    "country": "England",
    "nhs_ha": "North West",
    "longitude": -2.3914,
    "latitude": 53.0636,
    "european_electoral_region": "North West",
    "primary_care_trust": "Crewe",
    "region": "North West",
    "lsoa": "Crewe 001A",
    "msoa": "Crewe 001",
    "incode": "1AA",
    "outcode": "CW4",
    "parliamentary_constituency": "Crewe",
    "admin_district": "Crewe",
    "parish": "Crewe, unparished area",
    "admin_county": "North West",
    "admin_ward": "Crewe Central",
    "ced": null,
    "ccg": "NHS North West",
    "nuts": "Crewe",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the CW4 Postcode District

The CW4 postcode district is part of the Crewe (CW) postcode area, covering Crewe and surrounding areas in North West, England.

Postcodes in the CW4 district follow the format CW4 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Crewe postcode area (CW) also covers: Nantwich, Congleton, Sandbach, Alsager.

Frequently Asked Questions

What area does the CW4 postcode cover?

The CW4 postcode district covers Crewe in Crewe, North West, England. It is one of 12 districts in the CW postcode area.

How do I look up all addresses in the CW4 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 CW4. The API returns all Royal Mail PAF addresses as structured JSON.

Is CW4 a valid UK postcode district?

Yes. CW4 is a Royal Mail postcode district in Crewe, England. Full UK postcodes in this district follow the format CW4 followed by a digit and two letters (e.g. CW4 1AA).

CW4 Postcode — Crewe

About the CW4 Postcode District

Frequently Asked Questions

Other Crewe Postcode Districts