← Area code 856
856-725 phone numbers
Numbers 856-725-0000 to 856-725-9999 are assigned to Verizon Wireless (rate centre WILLIAMSTN, NJ, NANPA abbreviation). 5 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.