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← Area code 309

309-244 phone numbers

Numbers 309-244-0000 to 309-244-9999 are assigned to Illinois Bell Tel Co in Delavan, IL. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 309-244-2xxx, 309-244-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 309-244