Canadial Know Who Called
← Area code 803

803-820 phone numbers

Numbers 803-820-0000 to 803-820-9999 are assigned to Level 3 Communications, LLC (rate centre HICKORYGRV, SC, NANPA abbreviation). 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 803-820-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 803-820