What area is the BN21 postcode in?

BN21 is a postcode district in Brighton, Brighton, South East, England. It is part of the BN postcode area.

How many addresses are in the BN21 postcode?

The BN21 postcode district covers Brighton in Brighton. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in BN21 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 BN21. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · South East

BN21 Postcode — Brighton

BN21 is a postcode district in Brighton, Brighton, South East, England. Use the lookup below to explore addresses within this postcode district.

BN21

Postcode District

BN — Brighton

Area

South East

Region

Royal Mail PAF

Data Source

Postcode Lookup — BN21 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "BN21 1AA",
    "quality": 1,
    "eastings": 527092,
    "northings": 156416,
    "country": "England",
    "nhs_ha": "South East",
    "longitude": -0.1844,
    "latitude": 50.8596,
    "european_electoral_region": "South East",
    "primary_care_trust": "Brighton",
    "region": "South East",
    "lsoa": "Brighton 001A",
    "msoa": "Brighton 001",
    "incode": "1AA",
    "outcode": "BN21",
    "parliamentary_constituency": "Brighton",
    "admin_district": "Brighton",
    "parish": "Brighton, unparished area",
    "admin_county": "South East",
    "admin_ward": "Brighton Central",
    "ced": null,
    "ccg": "NHS South East",
    "nuts": "Brighton",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the BN21 Postcode District

The BN21 postcode district is part of the Brighton (BN) postcode area, covering Brighton and surrounding areas in South East, England.

Postcodes in the BN21 district follow the format BN21 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Brighton postcode area (BN) also covers: Hove, Lewes, Worthing, Shoreham-by-Sea, Burgess Hill, Haywards Heath.

Frequently Asked Questions

What area does the BN21 postcode cover?

The BN21 postcode district covers Brighton in Brighton, South East, England. It is one of 29 districts in the BN postcode area.

How do I look up all addresses in the BN21 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 BN21. The API returns all Royal Mail PAF addresses as structured JSON.

Is BN21 a valid UK postcode district?

Yes. BN21 is a Royal Mail postcode district in Brighton, England. Full UK postcodes in this district follow the format BN21 followed by a digit and two letters (e.g. BN21 1AA).

BN21 Postcode — Brighton

About the BN21 Postcode District

Frequently Asked Questions

Other Brighton Postcode Districts