Area code 606 is a telephone area code serving the easternmost part of the Commonwealth of Kentucky Cities and towns in the area code include Ashland, Morehead, Hazard, Middlesboro, Somerset, London, Corbin, Paintsville, Pikeville and Maysville Most of its service area lies within the Kentucky region known as the Eastern Kentucky Coalfield606 Area Code belongs to the state of Kentucky The following cities fall under this area code Ashland There have been a total of 5672 Numbers for this area code Numbers for 606Area Codes Search Notes Fixed phone numbers in the United States, state Kentucky (area code 606) are comprised of a single country code (1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code Making a call with the wrong country, area, or region code can be costly Browse our sites area and region codes by state and city to ensure you have the Telephone Central Office Building Pictures Area Code 606 Kentucky 606 area code kentucky ...