What area is the CW1 postcode in?

CW1 is a postcode district in Crewe, Crewe, North West, England. It is part of the CW postcode area.

How many addresses are in the CW1 postcode?

The CW1 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 CW1 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 CW1. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · North West

CW1 Postcode — Crewe

CW1 is a postcode district in Crewe, Crewe, North West, England. Use the lookup below to explore addresses within this postcode district.

CW1

Postcode District

CW — Crewe

Area

North West

Region

Royal Mail PAF

Data Source

Postcode Lookup — CW1 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "CW1 1AA",
    "quality": 1,
    "eastings": 372602,
    "northings": 400838,
    "country": "England",
    "nhs_ha": "North West",
    "longitude": -2.3914,
    "latitude": 53.0616,
    "european_electoral_region": "North West",
    "primary_care_trust": "Crewe",
    "region": "North West",
    "lsoa": "Crewe 001A",
    "msoa": "Crewe 001",
    "incode": "1AA",
    "outcode": "CW1",
    "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 CW1 Postcode District

The CW1 postcode district is part of the Crewe (CW) postcode area, covering Crewe and surrounding areas in North West, England.

Postcodes in the CW1 district follow the format CW1 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 CW1 postcode cover?

The CW1 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 CW1 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 CW1. The API returns all Royal Mail PAF addresses as structured JSON.

Is CW1 a valid UK postcode district?

Yes. CW1 is a Royal Mail postcode district in Crewe, England. Full UK postcodes in this district follow the format CW1 followed by a digit and two letters (e.g. CW1 1AA).

CW1 Postcode — Crewe

About the CW1 Postcode District

Frequently Asked Questions

Other Crewe Postcode Districts