[KongchangAI]
Unverified50% confidenceFactExact time

U.S. carriers require phone numbers sending commercial SMS to complete brand and campaign registration through TCR (The Campaign Registry) to combat spam.

1
Sources
50%
Confidence
Long-term
Relevance
10/6/2026
First Seen

Sources

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Stable URI
https://kongchang.com/claim/979246
API
curl https://kongchang.com/api/v1/knowledge/claims/979246
MCP
get_claim(id=979246)