The Sinch US Short Code Onboarding Deck, the US Short Code Onboarding Overview Guide and the other documents listed int he industry resources section below describe the process for onboarding US short codes.
Helpful Industry Resources
- CTIA Short Code Monitoring Program Handbook
- CTIA Messaging Principles & Best Practices
- CTIA Messaging Security Best Practices
- CTIA Registry Vetting Process
- T-Mobile Code of Conduct
-
AT&T Short Code and 10-Digit A2P SMS Messages Code of Conduct.
Provisioning Schedule
The below table outlines the schedule and estimate timing for provisioning/migrating short codes (note this is from the time of carrier submission):
| Operator | Provisioning Schedule | Estimate Timing |
| Verizon Wireless | Tuesday maintenance window | 1-2 Weeks |
| AT&T Mobility | No set provisioning cycle | 1-2 Weeks |
| T-Mobile & MetroPCS | No set provisioning cycle | 1-2 Weeks |
| ClearSky | No set provisioning cycle | 1-2 Weeks |
| US Cellular | No set provisioning cycle | 1-2 Weeks |
| Google Voice | No set provisioning cycle | 3-5 Weeks |
| Interop | No set provisioning cycle | 3-5 Weeks |
Visit the Sinch Short Code Product Page to learn more about Sinch Short Codes or if you need more help with 10DLC or have any questions, contact Sinch, who will be happy help!
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