← Area code 484
484-889 phone numbers
Numbers 484-889-0000 to 484-889-9999 are assigned to Verizon Wireless (rate centre W CHESTER, PA, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.