Canadial Know Who Called
← Area code 660

660-680 phone numbers

Numbers 660-680-0000 to 660-680-9999 are assigned to Onvoy, LLC in Sedalia, MO. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

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

Reported numbers in 660-680