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← Area code 618

618-729 phone numbers

Numbers 618-729-0000 to 618-729-9999 are assigned to Citizens Telecom Co Illinois-Frontier Citizens -Il in Medora, IL. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 618-729-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 618-729