618-370 phone numbers

Numbers 618-370-0000 to 618-370-9999 are assigned to Level 3 Communications, LLC in Medora, IL. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 618-370-2xxx, 618-370-4xxx, 618-370-5xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 618-370