Canadian number. Further authorization required. Contact email@example.com
In May of 2018, Twilio was informed by the Canadian Local Number Portability Consortium (CLNPC - http://www.clnpc.ca/) that due to contractual reasons, Twilio cannot provide carrier or portability details about Canadian numbers via the Lookup API without a contract existing between the Twilio customer and the CLNPC.
More info: https://support.twilio.com/hc/en-us/articles/360004563433