Canadial Know Who Called
← Area code 320

320-278 phone numbers

Numbers 320-278-0000 to 320-278-9999 are assigned to Mid State Tel. Co. (rate centre TERRACE, MN, NANPA abbreviation). 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 320-278-0xxx, 320-278-1xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 320-278