Canadial Know Who Called
← Area code 712

712-397 phone numbers

Numbers 712-397-0000 to 712-397-9999 are assigned to Onvoy, LLC in Whiting, IA. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 712-397-3xxx, 712-397-4xxx, 712-397-5xxx, 712-397-6xxx, 712-397-8xxx, 712-397-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 712-397