← Area code 320
320-983 phone numbers
Numbers 320-983-0000 to 320-983-9999 are assigned to Citizens Telecom Co Mn-Frontier Citizens Com-Mn in Milaca, MN. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.