515-579 phone numbers

Numbers 515-579-0000 to 515-579-9999 are assigned to Windstream Iowa Communications, Inc. - North in Slater, IA. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 515-579-0xxx, 515-579-1xxx, 515-579-3xxx, 515-579-4xxx, 515-579-6xxx, 515-579-7xxx, 515-579-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 515-579