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The Sinch US Short Code Onboarding Overview document describes the process for onboarding US short codes.

 

 

⚠️  Notice: Annual US Wireless Carrier Freezes ⚠️

 

Please make note of the following dates when major wireless carriers will freeze provisioning, migrating or certification of any US short codes. Carrier Freeze typically happens around the Thanksgiving and Christmas holidays and can vary from a couple days to weeks. Please work with your account managers ahead of these dates to avoid any interruptions:

 

AT&T:

Nov. 26, 2024 – Dec. 2, 2024

Dec. 23, 2024 – Jan. 3, 2024

 

T-Mobile:

Nov. 28, 2024 – Nov. 29, 2024 

Dec. 23, 2024 – Jan. 3, 2024, **

** Please note that it isn't a full freeze, campaigns will not be certified but they can still be onboarded.

 

Verizon:

Nov. 29, 2024

 

Check back for more updates once other carriers have announced their 2024-2025 freeze dates.

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Last update:
‎11-20-2024 09:49 AM
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