← Area code 606
606-808 phone numbers
Numbers 606-808-0000 to 606-808-9999 are assigned to Skyetel in Ashland, KY. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 606-808-6xxx, 606-808-7xxx, 606-808-8xxx, 606-808-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.