What area is the SR4 postcode in?

SR4 is a postcode district in Sunderland, Sunderland, North East, England. It is part of the SR postcode area.

How many addresses are in the SR4 postcode?

The SR4 postcode district covers Sunderland in Sunderland. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in SR4 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 SR4. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · North East

SR4 Postcode — Sunderland

SR4 is a postcode district in Sunderland, Sunderland, North East, England. Use the lookup below to explore addresses within this postcode district.

SR4

Postcode District

SR — Sunderland

Area

North East

Region

Royal Mail PAF

Data Source

Postcode Lookup — SR4 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "SR4 1AA",
    "quality": 1,
    "eastings": 438738,
    "northings": 603879,
    "country": "England",
    "nhs_ha": "North East",
    "longitude": -1.4466,
    "latitude": 54.8908,
    "european_electoral_region": "North East",
    "primary_care_trust": "Sunderland",
    "region": "North East",
    "lsoa": "Sunderland 001A",
    "msoa": "Sunderland 001",
    "incode": "1AA",
    "outcode": "SR4",
    "parliamentary_constituency": "Sunderland",
    "admin_district": "Sunderland",
    "parish": "Sunderland, unparished area",
    "admin_county": "North East",
    "admin_ward": "Sunderland Central",
    "ced": null,
    "ccg": "NHS North East",
    "nuts": "Sunderland",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the SR4 Postcode District

The SR4 postcode district is part of the Sunderland (SR) postcode area, covering Sunderland and surrounding areas in North East, England.

Postcodes in the SR4 district follow the format SR4 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Sunderland postcode area (SR) also covers: Houghton-le-Spring, Washington, Seaham, Chester-le-Street.

Frequently Asked Questions

What area does the SR4 postcode cover?

The SR4 postcode district covers Sunderland in Sunderland, North East, England. It is one of 8 districts in the SR postcode area.

How do I look up all addresses in the SR4 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 SR4. The API returns all Royal Mail PAF addresses as structured JSON.

Is SR4 a valid UK postcode district?

Yes. SR4 is a Royal Mail postcode district in Sunderland, England. Full UK postcodes in this district follow the format SR4 followed by a digit and two letters (e.g. SR4 1AA).

SR4 Postcode — Sunderland

About the SR4 Postcode District

Frequently Asked Questions

Other Sunderland Postcode Districts