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AT&T surcharges and T-Mobile’s proposed penalties for violations of 10DLC/long code guidelines and other fees

SMS marketers are facing unprecedented penalties proposed by T-Mobile that may rock the 10DLC messaging industry. T-Mobile is requiring new 10DLC to be approved prior to launching SMS campaigns and violations can be very costly. T-Mobile made an announcement to block non-registered numbers for 10DLC, its surcharges, other fees, and penalties for violations. The blocking of non-registered numbers will start on June 01, 2021.

Here are the details on new fees and penalties:

Current and proposed surcharges for 10DLC/long codes

Other fees by T-Mobile starting on April 01, 2021 (these are one-time fee)

T-mobile penalties for violation of practices/guidelines

T-Mobile will charge Syniverse the following penalties and it will pass through these fees to its clients. These are proposed and have not implemented and we are not sure if T-Mobile will follow through:

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