← Area code 240
240-671 phone numbers
Numbers 240-671-0000 to 240-671-9999 are assigned to Omnipoint Communications Cap Operations, LLC (rate centre WSHNGTNZN2, MD, 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.