Q: Why doesn't the system recognise the postcode I typed in?

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A: There are several reasons why valid postcodes may not work:

  • Postcodes for locations outside Great Britain, including Northern Ireland, the Isle of Man and the Channel Isles do not work because we only have a British postcode list.
  • Some valid postcodes are "non-geographical" and do not link to a point on the ground. This is true for P.O. boxes, and note that many big organisations have addresses which are in fact P.O. boxes.
  • The postcode may be for a new development and not be included in our current database, although we do try to keep this up to date.

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