573-637 phone numbers

Numbers 573-637-0000 to 573-637-9999 are assigned to Brightspeed of East Missouri, LLC (rate centre LESTERVL, MO, NANPA abbreviation). 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 573-637-0xxx, 573-637-6xxx, 573-637-7xxx, 573-637-8xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 573-637