← Area code 240
240-871 phone numbers
Numbers 240-871-0000 to 240-871-9999 are assigned to Omnipoint Communications Cap Operations, LLC (rate centre LXTNPKGRML, MD, NANPA abbreviation). 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 240-871-5xxx, 240-871-6xxx, 240-871-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.