Royal Mail PAF · East of England

AL4 Postcode — St Albans

AL4 is a postcode district in St Albans, St Albans, East of England, England. Use the lookup below to explore addresses within this postcode district.

AL4
Postcode District
AL — St Albans
Area
East of England
Region
Royal Mail PAF
Data Source
Postcode Lookup — AL4 DistrictSample
{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "AL4 1AA",
    "quality": 1,
    "eastings": 519210,
    "northings": 250810,
    "country": "England",
    "nhs_ha": "East of England",
    "longitude": -0.297,
    "latitude": 51.71,
    "european_electoral_region": "East of England",
    "primary_care_trust": "St Albans",
    "region": "East of England",
    "lsoa": "St Albans 001A",
    "msoa": "St Albans 001",
    "incode": "1AA",
    "outcode": "AL4",
    "parliamentary_constituency": "St Albans",
    "admin_district": "St Albans",
    "parish": "St Albans, unparished area",
    "admin_county": "East of England",
    "admin_ward": "St Albans Central",
    "ced": null,
    "ccg": "NHS East of England",
    "nuts": "St Albans",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the AL4 Postcode District

The AL4 postcode district is part of the St Albans (AL) postcode area, covering St Albans and surrounding areas in East of England, England.

Postcodes in the AL4 district follow the format AL4 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider St Albans postcode area (AL) also covers: Harpenden, Hatfield, Welwyn Garden City.

Frequently Asked Questions

What area does the AL4 postcode cover?

The AL4 postcode district covers St Albans in St Albans, East of England, England. It is one of 10 districts in the AL postcode area.

How do I look up all addresses in the AL4 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 AL4. The API returns all Royal Mail PAF addresses as structured JSON.

Is AL4 a valid UK postcode district?

Yes. AL4 is a Royal Mail postcode district in St Albans, England. Full UK postcodes in this district follow the format AL4 followed by a digit and two letters (e.g. AL4 1AA).

Other St Albans Postcode Districts

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