779-287 phone numbers

Numbers 779-287-0000 to 779-287-9999 are assigned to Onvoy, LLC in Union, IL. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 779-287-2xxx, 779-287-4xxx, 779-287-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 779-287