What area is the PA21 postcode in?

PA21 is a postcode district in Paisley, Paisley, Scotland. It is part of the PA postcode area.

How many addresses are in the PA21 postcode?

The PA21 postcode district covers Paisley in Paisley. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in PA21 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 PA21. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · Scotland

PA21 Postcode — Paisley

PA21 is a postcode district in Paisley, Paisley, Scotland. Use the lookup below to explore addresses within this postcode district.

PA21

Postcode District

PA — Paisley

Area

Scotland

Region

Royal Mail PAF

Data Source

Postcode Lookup — PA21 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "PA21 1AA",
    "quality": 1,
    "eastings": 235108,
    "northings": 705688,
    "country": "Scotland",
    "nhs_ha": "Scotland",
    "longitude": -4.3556,
    "latitude": 55.808,
    "european_electoral_region": "Scotland",
    "primary_care_trust": "Paisley",
    "region": "Scotland",
    "lsoa": "Paisley 001A",
    "msoa": "Paisley 001",
    "incode": "1AA",
    "outcode": "PA21",
    "parliamentary_constituency": "Paisley",
    "admin_district": "Paisley",
    "parish": "Paisley, unparished area",
    "admin_county": null,
    "admin_ward": "Paisley Central",
    "ced": null,
    "ccg": "NHS Scotland",
    "nuts": "Paisley",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E99999999",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the PA21 Postcode District

The PA21 postcode district is part of the Paisley (PA) postcode area, covering Paisley and surrounding areas in Scotland, Scotland.

Postcodes in the PA21 district follow the format PA21 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Paisley postcode area (PA) also covers: Renfrew, Johnstone, Largs, Greenock, Port Glasgow.

Frequently Asked Questions

What area does the PA21 postcode cover?

The PA21 postcode district covers Paisley in Paisley, Scotland. It is one of 69 districts in the PA postcode area.

How do I look up all addresses in the PA21 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 PA21. The API returns all Royal Mail PAF addresses as structured JSON.

Is PA21 a valid UK postcode district?

Yes. PA21 is a Royal Mail postcode district in Paisley, Scotland. Full UK postcodes in this district follow the format PA21 followed by a digit and two letters (e.g. PA21 1AA).

PA21 Postcode — Paisley

About the PA21 Postcode District

Frequently Asked Questions

Other Paisley Postcode Districts