← Area code 320
320-727 phone numbers
Numbers 320-727-0000 to 320-727-9999 are assigned to Onvoy Spectrum, LLC in Ortonville, MN. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 320-727-0xxx, 320-727-1xxx, 320-727-3xxx, 320-727-4xxx, 320-727-5xxx, 320-727-6xxx, 320-727-7xxx, 320-727-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.