article Sinch US Short Code Onboarding Overview in US Short Codes https://community.sinch.com/t5/US-Short-Codes/Sinch-US-Short-Code-Onboarding-Overview/ta-p/7085 <DIV class="lia-message-template-content-zone"> <P data-unlink="true">The Sinch&nbsp;<A href="https://community.sinch.com/t5/US-Short-Codes/Sinch-US-Short-Code-Onboarding-Overview/ta-p/7085?attachment-id=1846" target="_self">US Short Code Onboarding Deck</A>&nbsp;and the <A href="https://community.sinch.com/t5/US-Short-Codes/Sinch-US-Short-Code-Onboarding-Overview/ta-p/7085?attachment-id=1842" target="_self">US Short Code Onboarding Overview</A> documents describe the process for onboarding US short codes.</P> <P>&nbsp;</P> <P><STRONG>Helpful Industry Resources:</STRONG></P> <UL> <LI><A href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://api.ctia.org/wp-content/uploads/2024/01/CTIA-Short-Code-Monitoring-Handbook-v1.9-FINAL.pdf" target="_self">CTIA Short Code Monitoring Program Handbook</A></LI> <LI><A href="https://www.ctia.org/the-wireless-industry/industry-commitments/messaging-interoperability-sms-mms" target="_self">CTIA Messaging Principles &amp; Best Practices</A></LI> <LI><A href="https://www.ctia.org/the-wireless-industry/industry-commitments/messaging-security-best-practices" target="_self">CTIA Messaging Security Best Practices</A></LI> <LI><A href="https://www.usshortcodes.com/registry-vetting-process" target="_self">CTIA Registry Vetting Process</A></LI> <LI><A href="https://community.sinch.com/t5/SMS/T-Mobile-Code-of-Conduct-for-Messaging/ta-p/7090" target="_self">T-Mobile Code of Conduct</A></LI> <LI><A href="https://community.sinch.com/t5/SMS/AT-amp-T-Short-Code-and-10-Digit-A2P-SMS-Messages-Code-of/ta-p/7088" target="_self">AT&amp;T Short Code and 10-Digit A2P SMS Messages Code of Conduct</A></LI> </UL> <P>&nbsp;</P> <P><STRONG>Provisioning Schedule:</STRONG></P> <P>The below table outlines the schedule and estimate timing for provisioning/migrating short codes (note this is from the time of carrier submission):<BR /><BR /></P> <TABLE width="1003"> <TBODY> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P><STRONG>Operator</STRONG></P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P><STRONG>Provisioning Schedule</STRONG></P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P><STRONG>Estimate Timing</STRONG></P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>Verizon Wireless</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>Tuesday maintenance window</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" style="width: 50px;"> <P>AT&amp;T Mobility</P> </TD> <TD width="401.852px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="height: 30px; width: 50px;"> <P>T-Mobile &amp; MetroPCS</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>ClearSky</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>US Cellular</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>Google Voice</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="height: 30px; width: 50px;"> <P>3-5 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>Interop&nbsp;</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>3-5 Weeks</P> </TD> </TR> </TBODY> </TABLE> <P>&nbsp;</P> </DIV> Fri, 27 Feb 2026 18:09:04 GMT Thomas_James 2026-02-27T18:09:04Z Sinch US Short Code Onboarding Overview https://community.sinch.com/t5/US-Short-Codes/Sinch-US-Short-Code-Onboarding-Overview/ta-p/7085 <DIV class="lia-message-template-content-zone"> <P data-unlink="true">The Sinch&nbsp;<A href="https://community.sinch.com/t5/US-Short-Codes/Sinch-US-Short-Code-Onboarding-Overview/ta-p/7085?attachment-id=1846" target="_self">US Short Code Onboarding Deck</A>&nbsp;and the <A href="https://community.sinch.com/t5/US-Short-Codes/Sinch-US-Short-Code-Onboarding-Overview/ta-p/7085?attachment-id=1842" target="_self">US Short Code Onboarding Overview</A> documents describe the process for onboarding US short codes.</P> <P>&nbsp;</P> <P><STRONG>Helpful Industry Resources:</STRONG></P> <UL> <LI><A href="http://chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://api.ctia.org/wp-content/uploads/2024/01/CTIA-Short-Code-Monitoring-Handbook-v1.9-FINAL.pdf" target="_self">CTIA Short Code Monitoring Program Handbook</A></LI> <LI><A href="https://www.ctia.org/the-wireless-industry/industry-commitments/messaging-interoperability-sms-mms" target="_self">CTIA Messaging Principles &amp; Best Practices</A></LI> <LI><A href="https://www.ctia.org/the-wireless-industry/industry-commitments/messaging-security-best-practices" target="_self">CTIA Messaging Security Best Practices</A></LI> <LI><A href="https://www.usshortcodes.com/registry-vetting-process" target="_self">CTIA Registry Vetting Process</A></LI> <LI><A href="https://community.sinch.com/t5/SMS/T-Mobile-Code-of-Conduct-for-Messaging/ta-p/7090" target="_self">T-Mobile Code of Conduct</A></LI> <LI><A href="https://community.sinch.com/t5/SMS/AT-amp-T-Short-Code-and-10-Digit-A2P-SMS-Messages-Code-of/ta-p/7088" target="_self">AT&amp;T Short Code and 10-Digit A2P SMS Messages Code of Conduct</A></LI> </UL> <P>&nbsp;</P> <P><STRONG>Provisioning Schedule:</STRONG></P> <P>The below table outlines the schedule and estimate timing for provisioning/migrating short codes (note this is from the time of carrier submission):<BR /><BR /></P> <TABLE width="1003"> <TBODY> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P><STRONG>Operator</STRONG></P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P><STRONG>Provisioning Schedule</STRONG></P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P><STRONG>Estimate Timing</STRONG></P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>Verizon Wireless</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>Tuesday maintenance window</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" style="width: 50px;"> <P>AT&amp;T Mobility</P> </TD> <TD width="401.852px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="height: 30px; width: 50px;"> <P>T-Mobile &amp; MetroPCS</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>ClearSky</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>US Cellular</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>1-2 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>Google Voice</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="height: 30px; width: 50px;"> <P>3-5 Weeks</P> </TD> </TR> <TR> <TD width="317.07px" height="30px" style="width: 50px;"> <P>Interop&nbsp;</P> </TD> <TD width="401.852px" height="30px" style="width: 50px;"> <P>No set provisioning cycle</P> </TD> <TD width="283.078px" height="30px" style="width: 50px;"> <P>3-5 Weeks</P> </TD> </TR> </TBODY> </TABLE> <P>&nbsp;</P> </DIV> Fri, 27 Feb 2026 18:09:04 GMT https://community.sinch.com/t5/US-Short-Codes/Sinch-US-Short-Code-Onboarding-Overview/ta-p/7085 Thomas_James 2026-02-27T18:09:04Z