← Area code 646
646-274 phone numbers
Numbers 646-274-0000 to 646-274-9999 are assigned to Mcimetro Access Transmission Services LLC (rate centre NWYRCYZN01, NY, NANPA abbreviation). 1 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.