← Area code 539
539-288 phone numbers
Numbers 539-288-0000 to 539-288-9999 are assigned to Level 3 Communications, LLC in McCurtain, OK. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 539-288-0xxx, 539-288-1xxx, 539-288-2xxx, 539-288-3xxx, 539-288-4xxx, 539-288-5xxx, 539-288-6xxx, 539-288-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.