Canadial Know Who Called
← Area code 641

641-307 phone numbers

Numbers 641-307-0000 to 641-307-9999 are assigned to Windstream Iowa Communications, Inc. - Systems (rate centre GUTHRIECTR, IA, NANPA abbreviation). 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 641-307-1xxx, 641-307-2xxx, 641-307-4xxx, 641-307-5xxx, 641-307-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 641-307