540-648 phone numbers

Numbers 540-648-0000 to 540-648-9999 are assigned to Level 3 Communications, LLC in Monterey, VA. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 540-648-0xxx, 540-648-1xxx, 540-648-3xxx, 540-648-4xxx, 540-648-5xxx, 540-648-6xxx, 540-648-7xxx, 540-648-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 540-648