320-644 phone numbers

Numbers 320-644-0000 to 320-644-9999 are assigned to Fractel, LLC in McGrath, MN. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 320-644-1xxx, 320-644-3xxx, 320-644-6xxx, 320-644-7xxx, 320-644-8xxx, 320-644-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 320-644