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Messaging Service Number Pool size limit reached



ERROR: 21714

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PROGRAMMABLE SMS
ERROR

You have attempted to add a Twilio phone number or short code to your Messaging Service Number Pool, but you are already at the limit of phone numbers. By default, a Messaging Service can contain up to a total of 400 Twilio phone numbers and short codes.

Possible Causes

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  • Your Messaging Service number pool is already full (default: 400 numbers)

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