Canadial Know Who Called
← Area code 618

618-620 phone numbers

Numbers 618-620-0000 to 618-620-9999 are assigned to Onvoy, LLC in Hamburg, IL. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 618-620-3xxx, 618-620-4xxx, 618-620-5xxx, 618-620-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 618-620