← Area code 779
779-479 phone numbers
Numbers 779-479-0000 to 779-479-9999 are assigned to Onvoy, LLC (rate centre GRAYMONT, IL, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 779-479-3xxx, 779-479-6xxx, 779-479-8xxx, 779-479-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.