A generated sequence of digits assigned according to the North American Numbering Plan (NANP) for use within Canada. This sequence adheres to a specific format, including a three-digit area code, a three-digit central office code (or exchange code), and a four-digit subscriber number. For instance, an example could follow the pattern 416-555-1212, though any such number obtained through random generation is unlikely to be in active service and is primarily for testing or demonstration purposes.
Such sequences serve various purposes, primarily in software testing, data generation for applications, and creating sample data sets. They are valuable for simulating real-world scenarios without using actual subscriber information, thereby safeguarding privacy and preventing unwanted contact. Historically, the need for these sequences arose as developers required data for testing applications, especially those related to telecommunications, customer relationship management (CRM), or address verification systems. The usage of such generated sequences allows for thorough application testing without the ethical and legal implications of using actual telephone numbers.