What area is the CA postcode in?

CA is a postcode district in Carlisle, Carlisle, North West, England. It is part of the CA postcode area.

How many addresses are in the CA postcode?

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

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

Royal Mail PAF · North West

CA Postcode — Carlisle

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

Postcode District

CA — Carlisle

Area

North West

Region

Royal Mail PAF

Data Source

Postcode Lookup — CA DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "CA 1AA",
    "quality": 1,
    "eastings": 333612,
    "northings": 609473,
    "country": "England",
    "nhs_ha": "North West",
    "longitude": -2.9484,
    "latitude": 54.9412,
    "european_electoral_region": "North West",
    "primary_care_trust": "Carlisle",
    "region": "North West",
    "lsoa": "Carlisle 001A",
    "msoa": "Carlisle 001",
    "incode": "1AA",
    "outcode": "CA",
    "parliamentary_constituency": "Carlisle",
    "admin_district": "Carlisle",
    "parish": "Carlisle, unparished area",
    "admin_county": "North West",
    "admin_ward": "Carlisle Central",
    "ced": null,
    "ccg": "NHS North West",
    "nuts": "Carlisle",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the CA Postcode District

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

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

The wider Carlisle postcode area (CA) also covers: Penrith, Whitehaven, Workington, Cockermouth.

Frequently Asked Questions

What area does the CA postcode cover?

The CA postcode district covers Carlisle in Carlisle, North West, England. It is one of 28 districts in the CA postcode area.

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

Is CA a valid UK postcode district?

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

CA Postcode — Carlisle

About the CA Postcode District

Frequently Asked Questions

Other Carlisle Postcode Districts