540-407 phone numbers

Numbers 540-407-0000 to 540-407-9999 are assigned to New Cingular Wireless PCS, LLC in Madison, VA. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 540-407-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 540-407