← Area code 218
218-337 phone numbers
Numbers 218-337-0000 to 218-337-9999 are assigned to Vonage America LLC in Duluth, MN. 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 218-337-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.