Kentucky · Eastern Time
606 Area Code
Area code 606 is in Kentucky, serving eastern Kentucky, including Appalachian coalfields and the Ashland area. It is in the Eastern Time zone (part of its territory observes Central Time).
Last updated October 1, 2026 · Source: NANPA
Where is the 606 area code?
606 is a Kentucky area code covering eastern Kentucky, including Appalachian coalfields and the Ashland area. In the wider directory it sits in the South region.
Cities in the 606 area code
- Ashland
- Somerset
- London
- Pikeville
- Corbin
- Middlesboro
- Morehead
- Hazard
- Maysville
- Prestonsburg
- Paintsville
- Harlan
- Grayson
- Williamsburg
Counties served by 606
Boyd County, Pike County, Perry County, Laurel County, Pulaski County, Whitley County, Bell County, Rowan County, Floyd County and Johnson County.
Time zone note: Eastern in Louisville, Lexington and the east; Central in the west (Bowling Green, Paducah).
Dialing 606
Ashland, KY is currently served by the single area code 606, with no overlay. Ten-digit dialing (area code + seven-digit number) always works and is increasingly the norm nationwide; some local calls may still connect with seven digits. If a future overlay is added, 10-digit dialing would become mandatory.
From outside the US, dial +1 606 followed by the seven-digit number.
History of the 606 area code
606 went into service on January 1, 1955. It serves Ashland and the surrounding part of Kentucky. For how codes are created, split, and overlaid, see how area codes work.
Is 606 a scam or spam risk?
606 is a legitimate geographic area code, not a premium or toll line, so a call from it costs you nothing extra. That said, scammers frequently spoof real local area codes to look familiar on caller ID. A genuine 606 number on your screen is no guarantee the caller is in Ashland, KY or trustworthy. See spam & scam-risk area codes for how spoofing works and how to respond.
Other Kentucky area codes
Explore more
See every code in Kentucky, compare codes across the South region, or view all Eastern Time codes. You can also browse the 6XX block or the complete numeric list of US area codes.
New to how this all works? Start with how area codes work, then read up on overlays, 10-digit dialing, and spam & scam-risk codes. To check another number, use the area code lookup tool.
Quick answers
606 area code FAQ
Where is the 606 area code?
The 606 area code is in Kentucky, covering eastern Kentucky, including Appalachian coalfields and the Ashland area, in the South region.
What cities are in the 606 area code?
Cities in the 606 area code include Ashland, Somerset, London, Pikeville, Corbin, Middlesboro, Morehead, Hazard, Maysville and Prestonsburg.
What time zone is 606 in?
606 is in the Eastern Time zone. Eastern in Louisville, Lexington and the east; Central in the west (Bowling Green, Paducah).
When did the 606 area code start?
606 went into service on January 1, 1955.
Do I have to dial 10 digits for 606?
Ten-digit dialing always works, and many areas now require it; some local calls in this area may still connect with seven digits.
Is 606 a toll-free or premium code?
No. 606 is a standard geographic area code, so calling it costs the same as any local or long-distance call on your plan. Toll-free calls use 800, 888, 877, 866, 855, 844 or 833.