What area is the BA3 postcode in?

BA3 is a postcode district in Bath, Bath, South West, England. It is part of the BA postcode area.

How many addresses are in the BA3 postcode?

The BA3 postcode district covers Bath in Bath. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in BA3 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 BA3. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · South West

BA3 Postcode — Bath

BA3 is a postcode district in Bath, Bath, South West, England. Use the lookup below to explore addresses within this postcode district.

BA3

Postcode District

BA — Bath

Area

South West

Region

Royal Mail PAF

Data Source

Postcode Lookup — BA3 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "BA3 1AA",
    "quality": 1,
    "eastings": 377614,
    "northings": 213692,
    "country": "England",
    "nhs_ha": "South West",
    "longitude": -2.3198,
    "latitude": 51.3756,
    "european_electoral_region": "South West",
    "primary_care_trust": "Bath",
    "region": "South West",
    "lsoa": "Bath 001A",
    "msoa": "Bath 001",
    "incode": "1AA",
    "outcode": "BA3",
    "parliamentary_constituency": "Bath",
    "admin_district": "Bath",
    "parish": "Bath, unparished area",
    "admin_county": "South West",
    "admin_ward": "Bath Central",
    "ced": null,
    "ccg": "NHS South West",
    "nuts": "Bath",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the BA3 Postcode District

The BA3 postcode district is part of the Bath (BA) postcode area, covering Bath and surrounding areas in South West, England.

Postcodes in the BA3 district follow the format BA3 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Bath postcode area (BA) also covers: Frome, Shepton Mallet, Glastonbury, Wells, Yeovil.

Frequently Asked Questions

What area does the BA3 postcode cover?

The BA3 postcode district covers Bath in Bath, South West, England. It is one of 19 districts in the BA postcode area.

How do I look up all addresses in the BA3 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 BA3. The API returns all Royal Mail PAF addresses as structured JSON.

Is BA3 a valid UK postcode district?

Yes. BA3 is a Royal Mail postcode district in Bath, England. Full UK postcodes in this district follow the format BA3 followed by a digit and two letters (e.g. BA3 1AA).

BA3 Postcode — Bath

About the BA3 Postcode District

Frequently Asked Questions

Other Bath Postcode Districts