509-648 phone numbers

Numbers 509-648-0000 to 509-648-9999 are assigned to St. John Tel. Co. in St. John, WA. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 509-648-0xxx, 509-648-1xxx, 509-648-2xxx, 509-648-5xxx, 509-648-6xxx, 509-648-7xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 509-648