← Area code 606
606-609 phone numbers
Numbers 606-609-0000 to 606-609-9999 are assigned to Onvoy Spectrum, LLC in Ewing, KY. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 606-609-3xxx, 606-609-4xxx, 606-609-5xxx, 606-609-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.