Simply enter your postcode in the following format E1 6AA, EC2A 3HX, EC4R 9AF and you will get your result immediately.
You can also enter a full address if you prefer that.
The ULEZ postcode checker will check your postcode against the latest ULEZ map. The zone operates across all London boroughs and the City of London. The M25 is not in the zone. Read our guide on how to pay ULEZ.