Key:contact
 contact
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| Description |
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The contact tag is the prefix for several contact:* keys to describe contacts 
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| Group: Address |
| Used on these elements |
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| Useful combination |
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contact: taginfo contact:* |
| See also |
| Wikidata |
| Search Wikidata |
| Status: in use |
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| Tools for this tag |
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The contact tag is the prefix for several contact:* keys to describe contacts.
For the most common keys, the shorter version outside the 'contact' scheme is used more frequently, over the time until now: phone=*, fax=*, email=* and website=*, with other contact tags used rarely outside the namespace scheme. Both schemes are in use for a long time and exist in parallel. Many applications are able to use both of them.
To limit tag fragmentation, consider using the most used keys.
At the same time a proposal to deprecate contact:phone=* was not successful - Discussions/tagging/contact:phone or phone. Idea of deprecating either tags without contact: prefix or ones with contact prefix is repeatedly suggested, often triggering huge discussion and ending with conclusion that there is no consensus. Please, read past discussion before starting a new one[1][2][3].
Contents
Values
You should only add contact information to POIs and not to any private address!
Email-addresses which are only available on a website after solving a captcha, or which are in other ways obfuscated to protect against SPAM-bots should not be tagged in OSM. The same applies to fax and phone numbers.
Contact
Contact details.
| Key | Value | Element | Comment | Taginfo | Photo |
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| contact:phone | +44 11223 456-789 |    
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phone number (see also more popular phone=*) | 
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| contact:website | http://example.com |
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Website-url (see also more popular website=* and url=*) | 
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| contact:email | mail@example.com |
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E-mail address (see also more popular email=*) | 
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| contact:fax | +44 11223 456-789 |
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fax number (see also more popular fax=*) | 
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| contact:facebook | full facebook URL |
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Facebook profile - preferably the full URL (because there are many different kinds of pages in facebook), though simply the public username is also used. (see also facebook=*) | 
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| contact:vk | VK.com |
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VK link to social network service | 
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| contact:instagram | Username |
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Instagram account name or full URL | 
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| contact:twitter | @OpenStreetMap |
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Twitter account name or full URL (see also twitter=*) | 
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| contact:mobile | +44 11223 456-789 |
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mobile phone number. The more general tag contact:phone=* should be preferred | 
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| contact:youtube | Youtube account/channel URL |
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YouTube URL of account or channel officially used by the POI. Sometimes only the YouTube username is indicated. | .svg){kind=small}
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| contact:ok | ok URL |
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ok link to social network service. | 
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| contact:street | user defined |
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For denoting the street name where a POI is located, see also addr:street=* | ||
| contact:housenumber | user defined |
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For denoting the housenumber where a POI is located, see also addr:housenumber=* | ||
| contact:postcode | user defined |
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For denoting the postcode number where a POI is located, see also addr:postcode=* | ||
| contact:city | user defined |
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For denoting the city name where a POI is located, see also addr:city=* | ||
| contact:webcam | webcam URL |
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For denoting a webcam's location, use a node with the tag surveillance=webcam | 
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| contact:telegram | https://t.me/Example |
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Telegram account name or full URL | 
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| contact:whatsapp | WhatsApp number |
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WhatsApp number officially used by the POI. | 
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| contact:linkedin | Username |
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LinkedIn account name or full URL | 
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| contact:pinterest | Pinterest URL |
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Pinterest URL officially used by the POI. | 
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| contact:viber | +44 11223 456-789 |
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Viber account name (phone number) or full URL | 
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| contact:foursquare | https://foursquare.com/v/Example |
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Foursquare account name (hash) or full URL | 
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| contact:skype | SkypeName |
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Skype login name | 
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| contact:xing | Username |
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XING account name or full URL | 
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| contact:vhf | VHF Channel or Frequency |
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Of interest for maritime and airport services | .jpg)
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| contact:flickr | Flickr URL |
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Flickr URL. Similar to all others, this is where the POI can be officially contacted, or where they broadcast information. This should not point to a self-taken photo depicting the POI. | 
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| contact:mastodon | username@server.example |
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Mastodon social network handle or full URL | .svg){kind=small}
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| contact:sip | sip@example.com |
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SIP address (see also xmpp=*) | ||
| contact:diaspora | username@server.example |
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Diaspora social network handle or full URL | 
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| contact:gnusocial | username@server.example |
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GNU Social social network handle or full URL | 
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| contact:xmpp | jabber@example.com |
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JID address (see also contact:xmpp=*) | 
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| contact:user_defined | user defined |
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All commonly used namespace keys according to Taginfo |
* table is sorted by database units (most frequently at first)
This table is a wiki template with a default description in English. Editable here.
Phone and fax number format (
ITU-T Recommendation E.123, DIN 5008):
+<country_code> <national_destination_code> <subscriber_number>-<direct_inward_dialing>
See also
- OpenLinkMap - A slippy map, making this tag's data available as clickable POIs
- JOSM preset
- wikipedia:Telephone numbering plan
- wikipedia:List of country calling codes
- wikipedia:E.164 (ITU-T recommendation on how to save phone numbers)
- OmniROM devs will use OSM phone numbers
- addr=* - The addr tag is the prefix for several addr:* keys to describe addresses
References
- ↑ https://lists.openstreetmap.org/pipermail/tagging/2020-May/thread.html#52379 - May 2020 thread, over 50 messages
- ↑ https://lists.openstreetmap.org/pipermail/tagging/2019-December/thread.html#49474 - December 2019 thread
- ↑ https://lists.openstreetmap.org/pipermail/tagging/2019-August/thread.html#47668 August 2019 Thread
