Postcode Lookup
Look up any UK postcode for its local authority, parliamentary constituency, region, coordinates and London ULEZ status, straight from the official ONS register.
- Official Public Data
- Live HMRC & Companies House Sync
- No Sign-up Required
Location & Logistics Info
Local Authority / Council
Parliamentary Constituency
Geographic Coordinates
London ULEZ / Congestion Status
NUTS Code
NHS Area
Frequently Asked Questions
What information can I get from a UK postcode lookup?
Enter a full postcode to see the postcode district, local authority / council, region, country, parliamentary constituency, NHS area, NUTS codes, and the exact geographic coordinates from the official ONS register.
How do I know if a postcode is in the London ULEZ?
The Ultra Low Emission Zone covers most of Greater London. Look up the postcode and check the 'London ULEZ' field on the result page. For the definitive boundary, always confirm on the official TfL ULEZ map.
Where does this data come from?
All business records are retrieved from the UK Government public registers: Companies House and HM Revenue & Customs (HMRC). Postcode data comes from the Office for National Statistics via Postcodes.io.
Is this service free to use for B2B checks?
Yes. Single checks via web search are free and require no sign-up. Automated bulk queries can be executed via our high-speed API for developers and risk teams.