What area is the YO23 postcode in?

YO23 is a postcode district in York, York, Yorkshire, England. It is part of the YO postcode area.

How many addresses are in the YO23 postcode?

The YO23 postcode district covers York in York. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in YO23 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 YO23. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · Yorkshire

YO23 Postcode — York

YO23 is a postcode district in York, York, Yorkshire, England. Use the lookup below to explore addresses within this postcode district.

YO23

Postcode District

YO — York

Area

Yorkshire

Region

Royal Mail PAF

Data Source

Postcode Lookup — YO23 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "YO23 1AA",
    "quality": 1,
    "eastings": 465030,
    "northings": 505622,
    "country": "England",
    "nhs_ha": "Yorkshire",
    "longitude": -1.071,
    "latitude": 54.0056,
    "european_electoral_region": "Yorkshire",
    "primary_care_trust": "York",
    "region": "Yorkshire",
    "lsoa": "York 001A",
    "msoa": "York 001",
    "incode": "1AA",
    "outcode": "YO23",
    "parliamentary_constituency": "York",
    "admin_district": "York",
    "parish": "York, unparished area",
    "admin_county": "Yorkshire",
    "admin_ward": "York Central",
    "ced": null,
    "ccg": "NHS Yorkshire",
    "nuts": "York",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the YO23 Postcode District

The YO23 postcode district is part of the York (YO) postcode area, covering York and surrounding areas in Yorkshire, England.

Postcodes in the YO23 district follow the format YO23 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider York postcode area (YO) also covers: Scarborough, Malton, Whitby, Filey, Selby, Pickering.

Frequently Asked Questions

What area does the YO23 postcode cover?

The YO23 postcode district covers York in York, Yorkshire, England. It is one of 29 districts in the YO postcode area.

How do I look up all addresses in the YO23 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 YO23. The API returns all Royal Mail PAF addresses as structured JSON.

Is YO23 a valid UK postcode district?

Yes. YO23 is a Royal Mail postcode district in York, England. Full UK postcodes in this district follow the format YO23 followed by a digit and two letters (e.g. YO23 1AA).

YO23 Postcode — York

About the YO23 Postcode District

Frequently Asked Questions

Other York Postcode Districts