← Area code 660
660-767 phone numbers
Numbers 660-767-0000 to 660-767-9999 are assigned to Onvoy, LLC (rate centre GORIN, MO, NANPA abbreviation). 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 660-767-0xxx, 660-767-1xxx, 660-767-2xxx, 660-767-3xxx, 660-767-4xxx, 660-767-5xxx, 660-767-8xxx, 660-767-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.