10DLC
10DLC (10-digit long code) is the US system for businesses to send application SMS from regular 10-digit numbers, with registration and throughput rules set by carriers.
What is 10DLC?
10DLC (10-digit long code) is the US system for businesses to send application SMS from regular 10-digit numbers, with registration and throughput rules set by carriers.
Impact on verification
Since 10DLC registration, unregistered traffic is filtered aggressively in the US; OTPs from registered senders reach carrier lines reliably, while some VoIP ranges are filtered.