Industry Standards for opt-ins for US Short Codes – Twilio Support
Short Code 22395 Texting Info by Authy
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Dennis P Waters on Twitter: "Unfortunately I cannot just block the # because the short code 22395 is used by multiple senders, not just @lowes. How about it, @AuthyHelp, @LowesCares, @TwilioHelp, @LowesMedia?" / Twitter