574-577 phone numbers

Numbers 574-577-0000 to 574-577-9999 are assigned to Onvoy, LLC (rate centre ROYAL CTR, IN, NANPA abbreviation). 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 574-577-0xxx, 574-577-1xxx, 574-577-2xxx, 574-577-3xxx, 574-577-4xxx, 574-577-8xxx, 574-577-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 574-577