---
title: roomNumber
description: Room number for an object, which might be multiple when rooms are being renumbered, for example. Use the cn attribute when naming rooms, as room numbers can change.
component: pingds
version: 8.1
page_id: pingds:schemaref:at-roomNumber
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-roomNumber.html
---

# roomNumber

Room number for an object, which might be multiple when rooms are being renumbered, for example. Use the `cn` attribute when naming rooms, as room numbers can change.

|                             |                                                                                                  |
| --------------------------- | ------------------------------------------------------------------------------------------------ |
| *OID*                       | 0.9.2342.19200300.100.1.6                                                                        |
| *Names*                     | roomNumber                                                                                       |
| *Syntax*                    | [DirectoryString](s-DirectoryString.html)                                                        |
| *Equality matching rule*    | [caseIgnoreMatch](mr-caseIgnoreMatch.html)                                                       |
| *Ordering matching rule*    | [caseIgnoreOrderingMatch](mr-caseIgnoreOrderingMatch.html)                                       |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html)                                   |
| *Single value*              | false: multiple values allowed                                                                   |
| *User modification allowed* | true                                                                                             |
| *Usage*                     | userApplications                                                                                 |
| *Origin*                    | [RFC 4524](https://datatracker.ietf.org/doc/html/rfc4524)                                        |
| *Schema file*               | 00-core.ldif                                                                                     |
| *Used by*                   | [inetOrgPerson](oc-inetOrgPerson.html), [pilotPerson](oc-pilotPerson.html), [room](oc-room.html) |