What area is the SA37 postcode in?

SA37 is a postcode district in Swansea, Swansea, Wales. It is part of the SA postcode area.

How many addresses are in the SA37 postcode?

The SA37 postcode district covers Swansea in Swansea. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in SA37 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 SA37. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · Wales

SA37 Postcode — Swansea

SA37 is a postcode district in Swansea, Swansea, Wales. Use the lookup below to explore addresses within this postcode district.

SA37

Postcode District

SA — Swansea

Area

Wales

Region

Royal Mail PAF

Data Source

Postcode Lookup — SA37 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "SA37 1AA",
    "quality": 1,
    "eastings": 264872,
    "northings": 238822,
    "country": "Wales",
    "nhs_ha": "Wales",
    "longitude": -3.9304,
    "latitude": 51.602,
    "european_electoral_region": "Wales",
    "primary_care_trust": "Swansea",
    "region": "Wales",
    "lsoa": "Swansea 001A",
    "msoa": "Swansea 001",
    "incode": "1AA",
    "outcode": "SA37",
    "parliamentary_constituency": "Swansea",
    "admin_district": "Swansea",
    "parish": "Swansea, unparished area",
    "admin_county": null,
    "admin_ward": "Swansea Central",
    "ced": null,
    "ccg": "NHS Wales",
    "nuts": "Swansea",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E99999999",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the SA37 Postcode District

The SA37 postcode district is part of the Swansea (SA) postcode area, covering Swansea and surrounding areas in Wales, Wales.

Postcodes in the SA37 district follow the format SA37 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Swansea postcode area (SA) also covers: Neath, Port Talbot, Llanelli, Ammanford, Haverfordwest.

Frequently Asked Questions

What area does the SA37 postcode cover?

The SA37 postcode district covers Swansea in Swansea, Wales. It is one of 51 districts in the SA postcode area.

How do I look up all addresses in the SA37 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 SA37. The API returns all Royal Mail PAF addresses as structured JSON.

Is SA37 a valid UK postcode district?

Yes. SA37 is a Royal Mail postcode district in Swansea, Wales. Full UK postcodes in this district follow the format SA37 followed by a digit and two letters (e.g. SA37 1AA).

SA37 Postcode — Swansea

About the SA37 Postcode District

Frequently Asked Questions

Other Swansea Postcode Districts