What area is the LL40 postcode in?

LL40 is a postcode district in Llandudno, Llandudno, Wales. It is part of the LL postcode area.

How many addresses are in the LL40 postcode?

The LL40 postcode district covers Llandudno in Llandudno. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in LL40 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 LL40. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · Wales

LL40 Postcode — Llandudno

LL40 is a postcode district in Llandudno, Llandudno, Wales. Use the lookup below to explore addresses within this postcode district.

LL40

Postcode District

LL — Llandudno

Area

Wales

Region

Royal Mail PAF

Data Source

Postcode Lookup — LL40 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "LL40 1AA",
    "quality": 1,
    "eastings": 270094,
    "northings": 432406,
    "country": "Wales",
    "nhs_ha": "Wales",
    "longitude": -3.8558,
    "latitude": 53.346,
    "european_electoral_region": "Wales",
    "primary_care_trust": "Llandudno",
    "region": "Wales",
    "lsoa": "Llandudno 001A",
    "msoa": "Llandudno 001",
    "incode": "1AA",
    "outcode": "LL40",
    "parliamentary_constituency": "Llandudno",
    "admin_district": "Llandudno",
    "parish": "Llandudno, unparished area",
    "admin_county": null,
    "admin_ward": "Llandudno Central",
    "ced": null,
    "ccg": "NHS Wales",
    "nuts": "Llandudno",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E99999999",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the LL40 Postcode District

The LL40 postcode district is part of the Llandudno (LL) postcode area, covering Llandudno and surrounding areas in Wales, Wales.

Postcodes in the LL40 district follow the format LL40 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Llandudno postcode area (LL) also covers: Colwyn Bay, Rhyl, Prestatyn, Holyhead, Bangor.

Frequently Asked Questions

What area does the LL40 postcode cover?

The LL40 postcode district covers Llandudno in Llandudno, Wales. It is one of 66 districts in the LL postcode area.

How do I look up all addresses in the LL40 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 LL40. The API returns all Royal Mail PAF addresses as structured JSON.

Is LL40 a valid UK postcode district?

Yes. LL40 is a Royal Mail postcode district in Llandudno, Wales. Full UK postcodes in this district follow the format LL40 followed by a digit and two letters (e.g. LL40 1AA).

LL40 Postcode — Llandudno

About the LL40 Postcode District

Frequently Asked Questions

Other Llandudno Postcode Districts