# Multiple Residence

info

For more information on the Multiple Residence dataset, please refer to our comprehensive guide on this topic: [Read More](https://ideal-postcodes.co.uk/guides/multiple-residence).

The Multiple Residence address format is identical to the [Postcode Address File](/docs/data/paf.md) format with attributes listed below:

## UMPRN[​](#umprn "Direct link to UMPRN")

> Unique Multiple (Residence) Point Reference Number

`umprn`

* A small minority of individual premises (as identified by a UDPRN) may have multiple occupants behind the same letterbox. These are known as Multiple Residence occupants and can be queried via the Multiple Residence dataset.
* Simple, unique reference number for each Multiple Residence occupant.
* 8-character numeric code.
* This will be an empty string when not used for legacy reasons

Multiple Residence dataset results are labeled with `mr`.