← Area code 540
540-794 phone numbers
Numbers 540-794-0000 to 540-794-9999 are assigned to Stratus Networks in Roanoke, VA. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 540-794-2xxx, 540-794-3xxx, 540-794-4xxx, 540-794-5xxx, 540-794-6xxx, 540-794-7xxx, 540-794-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.