← Area code 618
618-962 phone numbers
Numbers 618-962-0000 to 618-962-9999 are assigned to Frontier North, Inc. in Omaha, IL. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 618-962-0xxx, 618-962-1xxx, 618-962-4xxx, 618-962-5xxx, 618-962-6xxx, 618-962-7xxx, 618-962-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.