← Area code 618
618-840 phone numbers
Numbers 618-840-0000 to 618-840-9999 are assigned to Verizon Wireless in Staunton, IL. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 618-840-1xxx, 618-840-2xxx, 618-840-3xxx, 618-840-4xxx, 618-840-5xxx, 618-840-8xxx, 618-840-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.