573-296 phone numbers

Numbers 573-296-0000 to 573-296-9999 are assigned to Onvoy, LLC in Hallsville, MO. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 573-296-7xxx, 573-296-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 573-296