← Area code 660
660-241 phone numbers
Numbers 660-241-0000 to 660-241-9999 are assigned to Csc Voice, LLC in Maryville, MO.
Not assigned to any carrier: 660-241-0xxx, 660-241-1xxx, 660-241-2xxx, 660-241-3xxx, 660-241-6xxx, 660-241-7xxx, 660-241-8xxx, 660-241-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.