309-450 phone numbers

Numbers 309-450-0000 to 309-450-9999 are assigned to Onvoy, LLC (rate centre CONGERVL, IL, NANPA abbreviation). 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 309-450-0xxx, 309-450-6xxx, 309-450-7xxx, 309-450-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 309-450