Canadial Know Who Called
← Area code 484

484-977 phone numbers

Numbers 484-977-0000 to 484-977-9999 are assigned to Core Communications, Inc. (rate centre COLLEGEVL, PA, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 484-977-2xxx, 484-977-5xxx, 484-977-6xxx, 484-977-7xxx, 484-977-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 484-977