← Area code 320
320-430 phone numbers
Numbers 320-430-0000 to 320-430-9999 are assigned to Windstream Lakedale, Inc. in Annandale, MN. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 320-430-1xxx, 320-430-2xxx, 320-430-3xxx, 320-430-5xxx, 320-430-6xxx, 320-430-7xxx, 320-430-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.