← Area code 803
803-538 phone numbers
Numbers 803-538-0000 to 803-538-9999 are assigned to Twc Ip Enabled Services, LLC (rate centre BISHORURAL, SC, NANPA abbreviation). 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 803-538-0xxx, 803-538-1xxx, 803-538-2xxx, 803-538-3xxx, 803-538-6xxx, 803-538-7xxx, 803-538-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.