Canadial Know Who Called
← Area code 301

301-768 phone numbers

Numbers 301-768-0000 to 301-768-9999 are assigned to Level 3 Communications, LLC (rate centre WSHNGTNZN3, MD, NANPA abbreviation). 9 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 301-768