Phone prefixes in Swift River, YT

Swift River, YT is a rate centre in the Canadian numbering plan. CNAC records 1 in-service prefixes there, held by 1 carriers and spread across 1 area code (867).

Background reading: Canadian area codes, overlays, and what a 416 number actually tells you · Caller ID spoofing, STIR/SHAKEN, and how to actually block calls in Canada

Allocation source: Canadian Numbering Administrator (CNAC), the registry that records which carrier a central-office code was originally issued to. An allocation says who was issued the prefix, not who serves the number today: numbers can be ported between carriers, and caller ID can be spoofed outright.