← Area code 680
680-305 phone numbers
Numbers 680-305-0000 to 680-305-9999 are assigned to Onvoy, LLC- Ny in Canastota, NY. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 680-305-4xxx, 680-305-5xxx, 680-305-6xxx, 680-305-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.