Canadial Know Who Called
← Area code 240

240-366 phone numbers

Numbers 240-366-0000 to 240-366-9999 are assigned to Bandwidth.com CLEC, LLC (rate centre WILLIAMSPT, MD, NANPA abbreviation). 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 240-366-9xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 240-366