Area Codes
| 606 | Kentucky (Ashland, Hazard, Somerset, London, Corbin, Pikeville, Maysville and eastern Kentucky) | More information at: Area Code 606 Phone Number Blocks
| 606 | Kentucky (Ashland, Hazard, Somerset, London, Corbin, Pikeville, Maysville and eastern Kentucky) | More information at: Area Code 606 Phone Number Blocks