540-549 phone numbers

Numbers 540-549-0000 to 540-549-9999 are assigned to Level 3 Communications, LLC (rate centre MILL GAP, VA, NANPA abbreviation).

Not assigned to any carrier: 540-549-0xxx, 540-549-1xxx, 540-549-3xxx, 540-549-4xxx, 540-549-5xxx, 540-549-6xxx, 540-549-7xxx, 540-549-8xxx, 540-549-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 540-549