320-526 phone numbers

Numbers 320-526-0000 to 320-526-9999 are assigned to Level 3 Communications, LLC in Howard Lake, MN. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 320-526-3xxx, 320-526-4xxx, 320-526-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 320-526