What area is the CA3 postcode in?

CA3 is a postcode district in Carlisle, Carlisle, North West, England. It is part of the CA postcode area.

How many addresses are in the CA3 postcode?

The CA3 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 CA3 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 CA3. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · North West

CA3 Postcode — Carlisle

CA3 is a postcode district in Carlisle, Carlisle, North West, England. Use the lookup below to explore addresses within this postcode district.

CA3

Postcode District

CA — Carlisle

Area

North West

Region

Royal Mail PAF

Data Source

Postcode Lookup — CA3 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "CA3 1AA",
    "quality": 1,
    "eastings": 337518,
    "northings": 610050,
    "country": "England",
    "nhs_ha": "North West",
    "longitude": -2.8926,
    "latitude": 54.9464,
    "european_electoral_region": "North West",
    "primary_care_trust": "Carlisle",
    "region": "North West",
    "lsoa": "Carlisle 001A",
    "msoa": "Carlisle 001",
    "incode": "1AA",
    "outcode": "CA3",
    "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 CA3 Postcode District

The CA3 postcode district is part of the Carlisle (CA) postcode area, covering Carlisle and surrounding areas in North West, England.

Postcodes in the CA3 district follow the format CA3 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 CA3 postcode cover?

The CA3 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 CA3 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 CA3. The API returns all Royal Mail PAF addresses as structured JSON.

Is CA3 a valid UK postcode district?

Yes. CA3 is a Royal Mail postcode district in Carlisle, England. Full UK postcodes in this district follow the format CA3 followed by a digit and two letters (e.g. CA3 1AA).

CA3 Postcode — Carlisle

About the CA3 Postcode District

Frequently Asked Questions

Other Carlisle Postcode Districts