← Area code 484
484-458 phone numbers
Numbers 484-458-0000 to 484-458-9999 are assigned to Level 3 Communications, LLC (rate centre PHPHSBZN21, PA, NANPA abbreviation).
Not assigned to any carrier: 484-458-0xxx, 484-458-1xxx, 484-458-2xxx, 484-458-3xxx, 484-458-4xxx, 484-458-6xxx, 484-458-7xxx, 484-458-8xxx, 484-458-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.