618-343 phone numbers

Numbers 618-343-0000 to 618-343-9999 are assigned to Illinois Bell Tel Co (rate centre COLLINSVL, IL, NANPA abbreviation). 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

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

Reported numbers in 618-343