240-308 phone numbers

Numbers 240-308-0000 to 240-308-9999 are assigned to New Cingular Wireless PCS, LLC (rate centre DAMASCS236, MD, NANPA abbreviation). 3 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.

Reported numbers in 240-308