← Area code 309
309-469 phone numbers
Numbers 309-469-0000 to 309-469-9999 are assigned to Frontier North, Inc. in Sparland, IL. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 309-469-3xxx, 309-469-5xxx, 309-469-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.