← Area code 618
618-449 phone numbers
Numbers 618-449-0000 to 618-449-9999 are assigned to Verizon Wireless in Sparta, IL. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 618-449-3xxx, 618-449-5xxx, 618-449-6xxx, 618-449-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.