← Area code 309
309-445 phone numbers
Numbers 309-445-0000 to 309-445-9999 are assigned to Teleport Communications America, LLC (rate centre BLOOMINGTN, IL, NANPA abbreviation). 8 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.