← Area code 573
573-586 phone numbers
Numbers 573-586-0000 to 573-586-9999 are assigned to T-Mobile USA, Inc. (rate centre FTLENARDWD, MO, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 573-586-1xxx, 573-586-2xxx, 573-586-5xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.