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What is toll-free messaging?

Last reviewed September 30, 20261 min readReviewed by BroadNet engineering

Quick answer

Toll-free messaging is A2P SMS and MMS sent from a toll-free number — in North America the 800, 833, 844, 855, 866, 877, and 888 prefixes. Toll-free numbers must be verified with the carriers before they can send A2P at scale; once verified they offer high throughput and broad reach without the cost and lead time of a short code. It is a common alternative to 10DLC for higher-volume US traffic. See /answers/what-is-a2p-10dlc and /answers/what-is-short-code.

Plain-language definitionVendor-neutralReviewed September 30, 2026

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