Short code: Difference between revisions

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'''<span lang="en">Short</span> codes''', or '''short numbers''', are short digit-sequences—significantly shorter than [[telephone number]]s—that are used to address messages in the [[Multimedia Messaging System]] (MMS) and [[short message service]] (SMS) systems of [[mobile network operator]]s.<ref name="twilio">{{cite web |title=What is an SMS Short Code? |url=https://www.twilio.com/docs/glossary/what-is-a-short-code |access-date=2023-03-08 |website=twilio |language=en |url-status=live |archive-url=https://web.archive.org/web/20190827013935/https://www.twilio.com/docs/glossary/what-is-a-short-code |archive-date=2019-08-27 |access-date=2023-03-08 }}</ref> In addition to messaging, they may be used in [[abbreviated dialing]].
 
Short codes are designed{{cn|date=December 2023}} to be easier to read and remember than telephone numbers.<ref name=":0">{{cite web |title=Short Code - What Is It, How Should You Use It? |url=https://www.cm.com/en-za/glossary/short-code/ |access-date=2023-03-08 |website=cm.com |language=en-ZA |url-status=live |archive-url=https://web.archive.org/web/20221129185414/https://www.cm.com/en-za/glossary/short-code/ |archive-date=2022-11-29 |access-date=2023-03-08 }}</ref> Short codes are unique to each operator at the technological level. Even so, providers generally have agreements to avoid overlaps. In some countries, such as the United States, some classes of numbers are inter-operator (used by multiple providers or carriers). U.S. inter-operator numbers are called '''common short codes''').<ref name="youra">{{cite web |url=http://www.youra.com/stats/mobileuse.pdf |title=Common Short Codes: Cracking The Mobile Marketing Code |access-date=2022-12-27 |last=Neufeld |first=Evan |url-status=dead |archive-url=https://web.archive.org/web/20140114064327/http://www.youra.com/stats/mobileuse.pdf |archive-date=2014-01-14 |access-date=2022-12-27 }}</ref>
 
Organisations may set up short codes to encourage users to engage with services such as [[Mobile donating |charity donations]], mobile services, ordering [[ringtones]], or television-program voting.<ref name=":0" /> Messages sent to a short code can be billed at a higher rate than a standard SMS and may even subscribe a customer to a recurring monthly service that will be added to the customer's mobile-phone bill until the user texts, for example, the word "STOP" to terminate the service.<ref name=":1">{{cite web |date=2021-05-11 |title=What is a Short Code? |url=https://community.sinch.com/t5/SMS/What-is-a-Short-Code/ta-p/7121 |access-date=2025-02-25 |website=community.sinch.com |language=en |url-status=live |archive-url=https://web.archive.org/web/20211020155245/https://community.sinch.com/t5/SMS/What-is-a-Short-Code/ta-p/7121 |archive-date=2021-10-20 |access-date=2025-02-25 }}</ref><ref name="cm-short" >{{cite web |title=Short Code - What Is It, How Should You Use It? |url=https://www.cm.com/en-in/glossary/what-is-short-code/ |access-date=2025-02-25 |website=cm.com |language=en-IN |url-status=live |archive-url=https://web.archive.org/web/20221129173803/https://www.cm.com/en-in/glossary/what-is-short-code/ |archive-date=2022-11-29 |access-date=2025-02-25 }}</ref>
 
== Short codes and service identifiers (prefix) ==
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=== Brazil ===
Codes are five digits in length.<ref name="salesforce-br">{{cite web |title=Brazil MobileConnect Guide for SMS Sending |url=https://help.salesforce.com/s/articleView?language=en_US&id=sf.mc_moc_sending_guide_brazil.htm&type=5 |access-date=2022-12-27 |website=help.salesforce.com |url-status=dead |archive-url=https://web.archive.org/web/20211024140018/https://help.salesforce.com/s/articleView?language=en_US&id=sf.mc_moc_sending_guide_brazil.htm&type=5 |archive-date=2021-10-24 |access-date=2022-12-27 }}</ref>
 
=== Cambodia ===
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=== The Philippines ===
Codes are seven digits in length. The National Telecommunications Commission (NTC) is a regulatory agency providing an environment that ensures reliable, affordable and viable infrastructure and services in information and communications technology (ICT) accessible to all.<ref name="ntc-ph">{{cite web |url=http://portal.ntc.gov.ph/wps/portal |title=The National Telecommunications Commission Web Portal |publisher=Portal.ntc.gov.ph |access-date=2011-10-17 |url-status=dead |archive-url=https://web.archive.org/web/20110930121357/http://portal.ntc.gov.ph/wps/portal |archive-date=2011-09-30 |access-date=2011-10-17 }}</ref> Although the NTC is ultimately responsible for the governance of premium and non-premium shortcodes in the Philippines, the NTC's regulatory guidelines are not comprehensive when applied to shortcodes. Instead NTC's guidelines focus more on the carriers and the carrier's technical infrastructure. NTC's website does not contain any specific information with regard to premium SMS or standard rate SMS. There is relevant documentation for Bulk SMS and SPAM control via NTC's "AMENDMENT TO THE RULES AND REGULATIONS ON BROADCAST MESSAGING SERVICES", however again is not directly related to premium SMS.
 
=== Russia ===
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=== United States ===
Standard, interoperable short codes in the U.S. are five or six digits long,<ref name="uss-csc">{{cite web |url=http://www.usshortcodes.com/csc_press053106.html |title=Common Short Code Administration Announces Open Registration of 6-Digit Codes |publisher=CTIA |work=Press Release |date=2006-05-31 |url-status=dead |archive-url=https://web.archive.org/web/20060714184421/https://www.usshortcodes.com/csc_press053106.html |archive-date=2006-07-14 }}</ref> never start with 1, and only work in the U.S.<ref name="uss-faq">{{cite web |url=https://usshortcodes.com/faqs |title=Short Code Registry &#124; FAQs |website=usshortcodes.com |url-status= |archive-url= |archive-date= |access-date=2020-06-02 }}</ref> They are leased by the short code program's registry service provider [[iconectiv]], under a deal with the [[Common Short Code Administration]]<ref name="justia">{{cite web |url=http://trademarks.justia.com/784/34/csca-common-short-code-78434150.html |title=CSCA COMMON SHORT CODE ADMINISTRATION Trademark of CTIA - THE WIRELESS ASSOCIATION - Registration Number 3081719 - Serial Number 78434150 :: Justia Trademarks |website=trademarks.justia.com |url-status=live |archive-url=https://web.archive.org/web/20221210063559/https://trademarks.justia.com/784/34/csca-common-short-code-78434150.html |archive-date=2022-12-10 |access-date=2020-06-02 }}</ref> and [[Cellular Telecommunications & Internet Association|CTIA]].<ref name="wirelessweek"/> It costs twice as much to choose a specific code as it does to get one that is randomly assigned.<ref name="wirelessweek">{{cite web |url=http://www.wirelessweek.com/news/2007/04/decoding-short-codes |title=Decoding Short Codes |work=WirelessWeek |date=2007-04-15 |last=Alleven |first=Monica |url-status=dead |archive-url=https://web.archive.org/web/20160603133944/http://www.wirelessweek.com/news/2007/04/decoding-short-codes |archive-date=2016-06-03 }}</ref> Some carriers assign a subset of their carrier-specific codes to third parties.<ref name="Short1">{{cite web |url=https://www.ctia.org/news/ctia-announced-new-strategic-partner-iconectiv-for-common-short-code-registry-services |title=CTIA Announced New Strategic Partner iconectiv for Common Short Code Registry Services |publisher=[[CTIA – The Wireless Association]] |date=2015-07-30 |url-status=live |archive-url=https://web.archive.org/web/20191222210355/https://www.ctia.org/news/ctia-announced-new-strategic-partner-iconectiv-for-common-short-code-registry-services |archive-date=2019-12-22 |access-date=2019-12-22 }}</ref>
 
<blockquote>"The ''Short Code Registry''<ref name="uss-reg">{{cite web |url=https://usshortcodes.com/ |title=Short Code Registry &#124; short code campaigns Customer engagement |website=usshortcodes.com |access-date=2020-06-02 }}</ref> maintains a single database of available, reserved and registered short codes. CTIA administers the Common Short Code program, and ''iconectiv''<ref name="iconective">{{cite web |url=https://iconectiv.com/ |title=Homepage &#124; iconectiv |website=iconectiv.com |url-status=live |archive-url=https://web.archive.org/web/20160525055120/https://iconectiv.com/ |archive-date=2016-05-25 |access-date=2020-06-02 }}</ref> became the official U.S. Short Code Registry service provider in January, 2016. For more information, please see the ''Short Code Registry’s Best Practices''<ref name="uss">{{cite web |url=https://usshortcodes.com/about/BestPractices |title=Short Code Registry &#124; Best Practices short codes marketing campaign |website=usshortcodes |url-status=dead |archive-url=https://web.archive.org/web/20190712184729/https://www.usshortcodes.com/about/BestPractices |archive-date=2019-07-12 |access-date=2020-06-02 }}</ref> and the ''Short Code Monitoring Handbook''.<ref name="ctia-handbook">{{cite web |title=RISQ Score |url=https://www.wmcglobal.com/storage/us_resources/ctia-short-code-monitoring-handbook-current-Short-Code-Monitoring-Handbook-v1.7.pdf |website=wmc global |url-status= |archive-url= |archive-date= |access-date=2025-01-01 }}</ref><ref name="ctia-prog">{{cite web |url=https://www.ctia.org/programs |title=Programs |website=ctia |url-status=dead |archive-url=https://web.archive.org/web/20200908192825/https://www.ctia.org/programs |archive-date=2020-09-08 |access-date=2020-06-02 }}</ref><ref name=wmc>{{cite web |url=https://www.wmcglobal.com/us-resources/ctia-short-code-monitoring-handbook-v17-march-2017-short-code-monitoring-handbook-v17 |title=Short Code Monitoring Handbook Resources |website=wmc global |url-status=live |archive-url=https://web.archive.org/web/20190828192803/https://www.wmcglobal.com/us-resources/ctia-short-code-monitoring-handbook-v17-march-2017-short-code-monitoring-handbook-v17 |archive-date=2019-08-28 |access-date=2020-06-02 }}</ref></blockquote>
 
Texting "HELP" to a short code causes the short code service to return a message with terms and conditions, support information &mdash; consisting of either a toll-free phone number or email address at a minimum &mdash; and other information from the leaseholder of the short code.<ref name="twilio-us-ind>{{cite web |url=http://support.twilio.com/hc/en-us/articles/223134847 |title=Industry standards for US Short Code Terms of Service and Privacy policies |website=Twilio Support |url-status=live |archive-url=https://web.archive.org/web/20211019115105/https://support.twilio.com/hc/en-us/articles/223134847 |archive-date=2021-10-19 |access-date=2020-06-02 }}</ref><ref name="resolver">{{cite web |url=https://www.resolver.com/legal/short-code-terms-of-service/ |title=Short Code Terms of Service |url-status=live |archive-url=https://web.archive.org/web/20201127174447/https://www.resolver.com/legal/short-code-terms-of-service/ |archive-date=2020-11-27 |access-date=2020-06-02 }}</ref><!-- Message Industry standards require that a compliant response is required whenever your recipients text the keyword HELP to your short code, regardless of whether the recipient is subscribed to the program. https://support.twilio.com/hc/en-us/articles/223182208-Industry-standards-for-U-S-short-code-HELP-and-STOP --> A user can opt-out from receiving any further messages from a short code service by texting "STOP", "END", "QUIT", "CANCEL", or "UNSUBSCRIBE" to the short code; after doing so, one final message confirming the opt-out is sent.<ref name="twilio-223182208">{{cite web |url=http://support.twilio.com/hc/en-us/articles/223182208 |title=Industry standards for U.S. short code HELP and STOP |website=Twilio Support |url-status=live |archive-url=https://web.archive.org/web/20221129185414/https://www.cm.com/en-za/glossary/short-code/ |archive-date=2022-11-29 |access-date=2020-06-02 }}</ref><ref name="ctia-handbook" />