← Area code 320
320-613 phone numbers
Numbers 320-613-0000 to 320-613-9999 are assigned to Mcc Telephony LLC (rate centre LESTERPRRI, MN, NANPA abbreviation). 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 320-613-1xxx, 320-613-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.