320-389 phone numbers

Numbers 320-389-0000 to 320-389-9999 are assigned to Mcc Telephony LLC (rate centre BUFFALO LK, MN, NANPA abbreviation). 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 320-389-1xxx, 320-389-6xxx, 320-389-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 320-389