← Area code 218
218-600 phone numbers
Numbers 218-600-0000 to 218-600-9999 are assigned to Onvoy, LLC in Duluth, MN. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 218-600-1xxx, 218-600-2xxx, 218-600-3xxx, 218-600-4xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.