Verified postal identifier in Northern Ireland, United Kingdom. Technical profile with precision geocoding and administrative hierarchy.
Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.
| Postal code | Locality | Administrative path | Coordinates |
|---|---|---|---|
| BT31 | Castlewellan | Northern Ireland | 54.2569, -5.9445 |
Use this page to validate one postal code or locality against real parent areas, nearby records and downloadable source rows. The canonical route for this record set is /postal-codes/united-kingdom/northern-ireland/castlewellan.
| Code | Place | Hierarchy |
|---|---|---|
| BT31 | Castlewellan | Northern Ireland |
Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.
The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.
Use this page to confirm that BT31 belongs to Castlewellan inside United Kingdom. For applications, validate the original postal code string together with the country and administrative hierarchy instead of relying on a global numeric pattern.
The postal identifier BT31 is under the regional jurisdiction of United Kingdom. Within this territory, it is specifically managed as part of the Northern Ireland » Castlewellan administrative chain, ensuring precise logistical and geographic synchronization with official geocoded registries.
Compare BT31 with adjacent identifiers in United Kingdom. These links keep the local code range connected without loading a large directory table.