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Area code 606

Area code 606 Corbin, Kentucky

Area code 606 is in Kentucky, with numbers assigned in Corbin, Pikeville, Ashland and 88 more places. It’s 12:12 AM there now.

State
Kentucky5 area codes in Kentucky
Time zone
Eastern and CentralSplit between 2 zones
Exchanges
63991 places
Overlay
NoneThe only code for its area
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Where area code 606 is

Numbers in 606 are assigned to 91 places in 44 counties: Laurel County, Pike County, Knox County, Whitley County, Pulaski County, Boyd County, plus 38 more.

No single place dominates: Corbin, the largest, has 6% of the exchanges.

  • Corbin37
  • Pikeville33
  • Ashland25
  • Somerset24
  • London21
  • Morehead15
  • Hazard15
  • Middlesborough14
  • Whitesburg12
  • Paintsville12
  • Barbourville10
  • Manchester10
  • Jackson9
  • Harlan9
  • Beattyville8
  • Allen8
  • Grayson8
  • Prestonsburg8
  • Monticello8
  • Maysville8
  • Russell8
  • Williamsburg8
  • Irvine8
  • Flemingsburg7

Phone companies in 606

639 blocks of numbers in 606 are held by 37 phone companies. The most belong to Windstream (117), AT&T Mobility (95) and Inteliquent (79).

A mix: about 34% wireless, 35% local phone and cable and 31% other carriers, including internet phone services.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

606 went into service in 1955.

77 new exchanges were assigned since 2021, the latest in September 2026.

Calling 606

606 spans the Eastern and Central time zones: right now it’s 12:12 AM Eastern and 11:12 PM Central. Check which side of the line someone is on before calling early or late.

From elsewhere in the U.S., dial 1, 606 and the 7-digit number.

Nearby area codes

Kentucky has 5 area codes: 270, 364, 502, 606 and 859.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 606 area code

Map of the 606 area code around Corbin, Pikeville and Ashland, Kentucky.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 606

Where is area code 606?

In Kentucky, covering Corbin, Pikeville and Ashland and other places across 44 counties.

What time zone is 606 in?

Two: Eastern and Central. Right now it’s 12:12 AM Eastern and 11:12 PM Central.

Is 606 an overlay?

No. 606 is the only area code for its area right now.

Which phone companies have 606 numbers?

37 companies hold blocks; the most belong to Windstream, AT&T Mobility and Inteliquent. About 34% of blocks are wireless.

Is 606 running out of numbers?

Not on record. 77 new exchanges have been assigned since 2021.