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Numbers & Connectivity
10DLC, Toll-Free Numbers (TFN), Virtual Numbers
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Knowledge Base Articles
10DLC
(46 Articles)
Sinch A2P 10DLC Carrier Reach List
What is The Campaign Registry (TCR)?
What is 10DLC?
10DLC Compliance Requirements and Guidance
What is Snowshoeing?
Toll-Free Numbers (TFN)
(43 Articles)
What is a TFN (Toll-Free Number)?
TFN Verification Compliance Guidance
What opt-in documentation is required for Toll-Free sender verification?
What are Delivery Receipts and are they available on TFN?
Sinch Toll-Free Verified Sender Form for North America
Virtual Numbers
(31 Articles)
Buying a number from Sinch
Supporting documentation for virtual numbers
How can I activate my free number for testing?
Sinch Letter of Authorization for Toll-Free Number Porting (US)
Hosted Messaging for US and Canada Numbers
US Short Codes
(10 Articles)
US Short Code Campaign Compliance Overview
US Short Code Brand Client Detail
Sinch US Short Code Onboarding Overview
Sinch Short Code Carrier Reach List - North America
Sinch Campaign Manager Portal User Guide