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Error - 21401

Invalid Phone Number

The phone number you specified was not a valid North American (US or Canadian) number. Twilio accepts only 10 digit US domestic and Canadian phone numbers, with or without a leading "1" or "+1", with any combination of character separators. For example, these are all valid: 415-867-5309, 4158675309, +1 (415) 867 5309.