← Area code 573
573-848 phone numbers
Numbers 573-848-0000 to 573-848-9999 are assigned to Level 3 Communications, LLC in Steele, MO. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 573-848-0xxx, 573-848-1xxx, 573-848-2xxx, 573-848-3xxx, 573-848-5xxx, 573-848-6xxx, 573-848-7xxx, 573-848-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.