Royal Mail PAF · Yorkshire

S1 Postcode — Sheffield

S1 is a postcode district in Sheffield, Sheffield, Yorkshire, England. Use the lookup below to explore addresses within this postcode district.

S1
Postcode District
S — Sheffield
Area
Yorkshire
Region
Royal Mail PAF
Data Source
Postcode Lookup — S1 DistrictSample
{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "S1 1AA",
    "quality": 1,
    "eastings": 436596,
    "northings": 436491,
    "country": "England",
    "nhs_ha": "Yorkshire",
    "longitude": -1.4772,
    "latitude": 53.3828,
    "european_electoral_region": "Yorkshire",
    "primary_care_trust": "Sheffield",
    "region": "Yorkshire",
    "lsoa": "Sheffield 001A",
    "msoa": "Sheffield 001",
    "incode": "1AA",
    "outcode": "S1",
    "parliamentary_constituency": "Sheffield",
    "admin_district": "Sheffield",
    "parish": "Sheffield, unparished area",
    "admin_county": "Yorkshire",
    "admin_ward": "Sheffield Central",
    "ced": null,
    "ccg": "NHS Yorkshire",
    "nuts": "Sheffield",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the S1 Postcode District

The S1 postcode district is part of the Sheffield (S) postcode area, covering Sheffield and surrounding areas in Yorkshire, England.

Postcodes in the S1 district follow the format S1 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Sheffield postcode area (S) also covers: Rotherham, Barnsley, Dronfield, Chesterfield, Maltby.

Frequently Asked Questions

What area does the S1 postcode cover?

The S1 postcode district covers Sheffield in Sheffield, Yorkshire, England. It is one of 0 districts in the S postcode area.

How do I look up all addresses in the S1 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 S1. The API returns all Royal Mail PAF addresses as structured JSON.

Is S1 a valid UK postcode district?

Yes. S1 is a Royal Mail postcode district in Sheffield, England. Full UK postcodes in this district follow the format S1 followed by a digit and two letters (e.g. S1 1AA).

Need S1 addresses in your app?
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