← Area code 616
616-856 phone numbers
Numbers 616-856-0000 to 616-856-9999 are assigned to Omnipoint Communications Midwest Operations, LLC (rate centre GRAND RPDS, MI, 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.