618-987 phone numbers

Numbers 618-987-0000 to 618-987-9999 are assigned to Frontier North, Inc. in Hurst, IL. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 618-987-0xxx, 618-987-1xxx, 618-987-3xxx, 618-987-5xxx, 618-987-6xxx, 618-987-8xxx, 618-987-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 618-987