← Area code 509
509-384 phone numbers
Numbers 509-384-0000 to 509-384-9999 are assigned to Centurylink in Roosevelt, WA. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 509-384-2xxx, 509-384-4xxx, 509-384-6xxx, 509-384-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.