← Area code 509
509-772 phone numbers
Numbers 509-772-0000 to 509-772-9999 are assigned to Teleport Communications America, LLC in Goldendale, WA. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 509-772-0xxx, 509-772-3xxx, 509-772-4xxx, 509-772-5xxx, 509-772-8xxx, 509-772-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.