859 area code — Lexington, KY geographic
859 is the area code for Lexington, Kentucky, in service since April 1, 2000, Eastern time. Because of number portability and VoIP, the area code tells you where the number was issued, not where the caller is right now.
NANPA lists 559 active NXX prefixes in 859, assigned to 40 carriers. 381 of those prefixes are pooled — shared between carriers in thousands-number blocks. The code spans 42 rate centers (billing localities).
If a 859 call asks for money or personal data, treat the displayed number as unverified: hang up and reach the organization through its published number. Numbering data locates numbers, not callers.
The dialing plan is 10D for home-NPA local calls and 10D across codes.
Official projections put exhaust at 2Q 2059.
Its parent code is 606, which it left in 2000.
Largest localities in 859
| Locality (rate center) | Active prefixes | Also served by |
|---|---|---|
| Lexington | 164 | — |
| Covington | 95 | — |
| Boone | 32 | — |
| Winchester | 28 | — |
| Richmond | 23 | — |
| Danville | 16 | — |
| Mount Sterling | 13 | — |
| Harrodsburg | 11 | — |
| Berea | 10 | — |
| Cynthiana | 10 | — |
FAQ
Why am I getting spam calls from 859 numbers?
Scammers spoof recognizable area codes so calls look local or familiar. A displayed 859 number does not prove the call originated there — see our guide to spotting spoofed calls.
Where is a 859 number from?
859 is assigned to Lexington and surrounding areas of Kentucky in the Eastern time zone. The three digits after the area code (the prefix) narrow it down to a rate center.
Is 859 a toll-free number?
No. 859 is a geographic code; calls are billed like any other domestic call. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.