What area is the LU3 postcode in?

LU3 is a postcode district in Luton, Luton, East of England, England. It is part of the LU postcode area.

How many addresses are in the LU3 postcode?

The LU3 postcode district covers Luton in Luton. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in LU3 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 LU3. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · East of England

LU3 Postcode — Luton

LU3 is a postcode district in Luton, Luton, East of England, England. Use the lookup below to explore addresses within this postcode district.

LU3

Postcode District

LU — Luton

Area

East of England

Region

Royal Mail PAF

Data Source

Postcode Lookup — LU3 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "LU3 1AA",
    "quality": 1,
    "eastings": 514548,
    "northings": 274608,
    "country": "England",
    "nhs_ha": "East of England",
    "longitude": -0.3636,
    "latitude": 51.9244,
    "european_electoral_region": "East of England",
    "primary_care_trust": "Luton",
    "region": "East of England",
    "lsoa": "Luton 001A",
    "msoa": "Luton 001",
    "incode": "1AA",
    "outcode": "LU3",
    "parliamentary_constituency": "Luton",
    "admin_district": "Luton",
    "parish": "Luton, unparished area",
    "admin_county": "East of England",
    "admin_ward": "Luton Central",
    "ced": null,
    "ccg": "NHS East of England",
    "nuts": "Luton",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the LU3 Postcode District

The LU3 postcode district is part of the Luton (LU) postcode area, covering Luton and surrounding areas in East of England, England.

Postcodes in the LU3 district follow the format LU3 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Luton postcode area (LU) also covers: Dunstable, Leighton Buzzard, Houghton Regis, Ampthill.

Frequently Asked Questions

What area does the LU3 postcode cover?

The LU3 postcode district covers Luton in Luton, East of England, England. It is one of 7 districts in the LU postcode area.

How do I look up all addresses in the LU3 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 LU3. The API returns all Royal Mail PAF addresses as structured JSON.

Is LU3 a valid UK postcode district?

Yes. LU3 is a Royal Mail postcode district in Luton, England. Full UK postcodes in this district follow the format LU3 followed by a digit and two letters (e.g. LU3 1AA).

LU3 Postcode — Luton

About the LU3 Postcode District

Frequently Asked Questions

Other Luton Postcode Districts