618-428 phone numbers

Numbers 618-428-0000 to 618-428-9999 are assigned to Frontier Communications-Midland, Inc. in Herrick, IL. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 618-428-6xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 618-428