← Area code 571
571-835 phone numbers
Numbers 571-835-0000 to 571-835-9999 are assigned to Verizon Wireless (rate centre WSNGTNZN17, VA, NANPA abbreviation). 6 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.