484-317 phone numbers

Numbers 484-317-0000 to 484-317-9999 are assigned to Core Communications, Inc. in Green Hills, PA. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 484-317-6xxx, 484-317-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 484-317