How many addresses are in the BS4 postcode?

The BS4 postcode district contains approximately 22,400 Royal Mail PAF addresses. The exact current count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in BS4 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 BS4. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · South West

BS4 Postcode — Brislington & Knowle

Q: What area is the BS4 postcode in?

BS4 is a postcode district in Brislington & Knowle, Bristol, South West, England. It is part of the BS postcode area.

BS4 is a postcode district in Brislington & Knowle, Bristol, South West, England. It covers approximately 22,400 Royal Mail PAF addresses.

BS4

Postcode District

BS — Bristol

Area

South West

Region

22,400

Approx. Addresses

Royal Mail PAF

Data Source

Postcode Lookup — BS4 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "BS4 1AA",
    "quality": 1,
    "eastings": 361598,
    "northings": 217688,
    "country": "England",
    "nhs_ha": "South West",
    "longitude": -2.5486,
    "latitude": 51.4116,
    "european_electoral_region": "South West",
    "primary_care_trust": "Brislington & Knowle",
    "region": "South West",
    "lsoa": "Brislington & Knowle 001A",
    "msoa": "Brislington & Knowle 001",
    "incode": "1AA",
    "outcode": "BS4",
    "parliamentary_constituency": "Brislington & Knowle",
    "admin_district": "Brislington & Knowle",
    "parish": "Brislington & Knowle, unparished area",
    "admin_county": "South West",
    "admin_ward": "Brislington & Knowle Central",
    "ced": null,
    "ccg": "NHS South West",
    "nuts": "Brislington & Knowle",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the BS4 Postcode District

The BS4 postcode district is part of the Bristol (BS) postcode area, covering Brislington & Knowle and surrounding areas in South West, England.

Postcodes in the BS4 district follow the format BS4 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Bristol postcode area (BS) also covers: Bristol, Bath, Weston-super-Mare, Clevedon, Nailsea, Portishead.

Frequently Asked Questions

What area does the BS4 postcode cover?

The BS4 postcode district covers Brislington & Knowle in Bristol, South West, England. It is one of 37 districts in the BS postcode area.

How do I look up all addresses in the BS4 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 BS4. The API returns all Royal Mail PAF addresses as structured JSON.

Is BS4 a valid UK postcode district?

Yes. BS4 is a Royal Mail postcode district in Bristol, England. Full UK postcodes in this district follow the format BS4 followed by a digit and two letters (e.g. BS4 1AA).

BS4 Postcode — Brislington & Knowle

About the BS4 Postcode District

Frequently Asked Questions

Other Bristol Postcode Districts