641-636 phone numbers

Numbers 641-636-0000 to 641-636-9999 are assigned to Windstream Iowa Communications, Inc. - North in Keota, IA. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 641-636-0xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 641-636