What area is the CR3 postcode in?

CR3 is a postcode district in Croydon, Croydon, London, England. It is part of the CR postcode area.

How many addresses are in the CR3 postcode?

The CR3 postcode district covers Croydon in Croydon. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in CR3 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 CR3. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · London

CR3 Postcode — Croydon

CR3 is a postcode district in Croydon, Croydon, London, England. Use the lookup below to explore addresses within this postcode district.

CR3

Postcode District

CR — Croydon

Area

London

Region

Royal Mail PAF

Data Source

Postcode Lookup — CR3 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "CR3 1AA",
    "quality": 1,
    "eastings": 536402,
    "northings": 210539,
    "country": "England",
    "nhs_ha": "London",
    "longitude": -0.0514,
    "latitude": 51.3472,
    "european_electoral_region": "London",
    "primary_care_trust": "Croydon",
    "region": "London",
    "lsoa": "Croydon 001A",
    "msoa": "Croydon 001",
    "incode": "1AA",
    "outcode": "CR3",
    "parliamentary_constituency": "Croydon",
    "admin_district": "Croydon",
    "parish": "Croydon, unparished area",
    "admin_county": null,
    "admin_ward": "Croydon Central",
    "ced": null,
    "ccg": "NHS London",
    "nuts": "Croydon",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E99999999",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the CR3 Postcode District

The CR3 postcode district is part of the Croydon (CR) postcode area, covering Croydon and surrounding areas in London, England.

Postcodes in the CR3 district follow the format CR3 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Croydon postcode area (CR) also covers: Sutton, Mitcham, Thornton Heath, Coulsdon, Purley.

Frequently Asked Questions

What area does the CR3 postcode cover?

The CR3 postcode district covers Croydon in Croydon, London, England. It is one of 9 districts in the CR postcode area.

How do I look up all addresses in the CR3 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 CR3. The API returns all Royal Mail PAF addresses as structured JSON.

Is CR3 a valid UK postcode district?

Yes. CR3 is a Royal Mail postcode district in Croydon, England. Full UK postcodes in this district follow the format CR3 followed by a digit and two letters (e.g. CR3 1AA).

CR3 Postcode — Croydon

About the CR3 Postcode District

Frequently Asked Questions

Other Croydon Postcode Districts