Telecommunication Use Code
| Code | Description | Deutsch (German) | Nederlands (Dutch) | Comment | Version |
| ASN | Answering Service Number | Auftragsdienst | Antwoorddienstnummer | | added v2.3 |
| BPN | Beeper Number | Pagernummer (Cityruf o.ä.) | Beeper-nummer | Retained for backward compatibility as of v 2.6 | added v2.3.1 |
| EMR | Emergency Number | Notfallnummer | Noodnummer | | added v2.3 |
| NET | Network (email) Address | Netzwerkadresse (E-Mail) | Netwerk (e-mail)adres | Retained for backward compatibility as of v 2.6 | added v2.3 |
| ORN | Other Residence Number | Nebenwohnsitznummer | Ander privénummer | | added v2.3 |
| PRN | Primary Residence Number | Hauptwohnsitznummer | Primair privénummer | | added v2.3 |
| PRS | Personal | | Persoonlijk | Not tied to a location or role | added v2.6 |
| VHN | Vacation Home Number | Ferienwohnsitznummer | Vakantie privénummer | | added v2.3 |
| WPN | Work Number | Dienstnummer | Zakelijk nummer | | added v2.3 |