← Area code 641
641-401 phone numbers
Numbers 641-401-0000 to 641-401-9999 are assigned to Onvoy, LLC in Swaledale, IA. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 641-401-0xxx, 641-401-5xxx, 641-401-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.