Outward Code Response Schema

The Outcode schema represents geographical and administrative information associated with a UK outward code (the first part of a postcode). This data is returned when using the outcode lookup endpoints.
Example

{
  "status": 200,
  "result": {
    "outcode": "SW1A",
    "longitude": -0.13226037062937065,
    "latitude": 51.504530636363654,
    "northings": 180053,
    "eastings": 529727,
    "admin_district": [
      "Westminster",
      "Wandsworth"
    ],
    "parish": [
      "Wandsworth, unparished area",
      "Westminster, unparished area"
    ],
    "admin_county": [],
    "admin_ward": [
      "Nine Elms",
      "St James's"
    ],
    "country": [
      "England"
    ],
    "parliamentary_constituency": [
      "Battersea",
      "Cities of London and Westminster"
    ]
  }
}```

## Reference

| Field            | Type            | Description                                                                                                                             | Example                          |
| ---------------- | --------------- | --------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------- |
| `outcode`        | string          | The outward code part of a postcode (2-4 characters). This generally identifies the postal town or district.                            | "SW1A"                           |
| `eastings`       | integer \| null | Ordnance Survey grid reference easting (X-coordinate) averaged from all postcodes in the outcode. May be null if unavailable.           | 529993                           |
| `northings`      | integer \| null | Ordnance Survey grid reference northing (Y-coordinate) averaged from all postcodes in the outcode. May be null if unavailable.          | 179950                           |
| `longitude`      | number \| null  | WGS84 longitude coordinate (east-west position) averaged from all postcodes in the outcode. May be null if unavailable.                 | -0.132759148                     |
| `latitude`       | number \| null  | WGS84 latitude coordinate (north-south position) averaged from all postcodes in the outcode. May be null if unavailable.                | 51.50100708                      |
| `admin_district` | string[]        | List of administrative districts or unitary authorities that contain postcodes within this outcode.                                     | ["Westminster", "Camden"]        |
| `admin_county`   | string[]        | List of administrative counties that contain postcodes within this outcode. May be empty for areas without county-level administration. | []                               |
| `admin_ward`     | string[]        | List of electoral/administrative wards that contain postcodes within this outcode.                                                      | ["St James's", "West End"]       |
| `parish`         | string[]        | List of civil parishes (England) or communities (Wales) that contain postcodes within this outcode.                                     | ["Westminster, unparished area"] |
| `country`        | string[]        | List of UK constituent countries that contain postcodes within this outcode.                                                            | ["England"]                      |
Example​

Example
