[[Category:Key descriptions with status "unsupported “draft” status"]]
The contact tag is the prefix for several contact:* keys to describe contacts.
It is currently a draft and not approved by any OSM-majority! Use it if you like it but don't assume to get any support from renderers and mapping-tools.
Values
phone and fax number format:
+<country_code> <national_destination_code> <subscriber_number>-<direct_inward_dialing>
See wikipedia:Telephone_numbering_plan, wikipedia:E.164 and wikipedia:List_of_country_calling_codes