515-308 phone numbers

Numbers 515-308-0000 to 515-308-9999 are assigned to Onvoy, LLC in Fort Dodge, IA. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 515-308-2xxx, 515-308-5xxx, 515-308-6xxx, 515-308-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 515-308