← Area code 803
803-583 phone numbers
Numbers 803-583-0000 to 803-583-9999 are assigned to Twc Ip Enabled Services, LLC in Pelion, SC. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 803-583-1xxx, 803-583-3xxx, 803-583-6xxx, 803-583-7xxx, 803-583-8xxx, 803-583-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.