← Area code 509
509-501 phone numbers
Numbers 509-501-0000 to 509-501-9999 are assigned to Localtel in Odessa, WA. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 509-501-0xxx, 509-501-2xxx, 509-501-3xxx, 509-501-4xxx, 509-501-6xxx, 509-501-7xxx, 509-501-8xxx, 509-501-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.