← Area code 336
336-563 phone numbers
Numbers 336-563-0000 to 336-563-9999 are assigned to Charter Ip Enabled Services, LLC (rate centre CLINGMAN, NC, NANPA abbreviation). 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 336-563-1xxx, 336-563-2xxx, 336-563-4xxx, 336-563-5xxx, 336-563-6xxx, 336-563-7xxx, 336-563-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.