Canadial Know Who Called
← Area code 817

817-520 phone numbers

Numbers 817-520-0000 to 817-520-9999 are assigned to Onvoy, LLC (rate centre NRICHLDHLS, TX, NANPA abbreviation). 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 817-520-5xxx, 817-520-7xxx, 817-520-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 817-520