← Area code 309
309-952 phone numbers
Numbers 309-952-0000 to 309-952-9999 are assigned to Onvoy, LLC in Alpha, IL.
Not assigned to any carrier: 309-952-0xxx, 309-952-1xxx, 309-952-3xxx, 309-952-4xxx, 309-952-5xxx, 309-952-6xxx, 309-952-7xxx, 309-952-8xxx, 309-952-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.