← Area code 217
217-640 phone numbers
Numbers 217-640-0000 to 217-640-9999 are assigned to Teleport Communications America, LLC in Quincy, IL. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 217-640-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.