Canadial Know Who Called
← Area code 231

231-412 phone numbers

Numbers 231-412-0000 to 231-412-9999 are assigned to Bandwidth.com CLEC, LLC (rate centre HARBOR SPG, MI, NANPA abbreviation). 7 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 231-412