859 area code
Where the 859 area code is, its overlay and how to dial a +1 859 number from anywhere.
The 859 area code is in Covington, Kentucky, United States (Eastern (ET)). To call from abroad: +1 859 555-0123.
The 859 area code is a geographic North American Numbering Plan (NANP) code covering Covington, Kentucky. It has been in service since 09-Aug-1999 and sits in the Eastern (ET) time zone.
How to dial a 859 number
+1 859 555-01231 859 555-0123859 555-0123Cities in the 859 area code
A 859 number is usually in one of these places in Kentucky — 4 counties.
Other Kentucky area codes
Frequently asked questions
Where is the 859 area code?
The 859 area code is in Covington, Kentucky, United States (Eastern (ET)).
Do I have to dial 10 digits for 859?
Yes — dial the area code plus the seven-digit number.
How do I call a 859 number from another country?
Dial your exit code (or +), then 1, then 859, then the number: +1 859 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 859 number does not pinpoint a street or ZIP code.
Number holders in area code 859
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 577 prefixes are in use in 859, shared by 44 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| Windstream Kentucky East, Inc. - Lexington | 77 | 13% |
| Cincinnati Bell | 57 | 10% |
| Cellco Partnership Dba Verizon Wireless | 54 | 9% |
| New Cingular Wireless PCS, LLC | 53 | 9% |
| Onvoy, LLC | 51 | 9% |
| Level 3 Communications, LLC | 49 | 8% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 859 numbers
- Reports to the FTC, last 30 days
- 442
- Recorded messages or robocalls
- 76%
- Rank among area codes
- #229 of 670
- Most reported subjects
- Calls pretending to be government, businesses, or family and friends (153)
- Other (134)
- Medical & prescriptions (43)
Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.
Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).
All US area codes United States +1 Map of area code 859 — cities & rate centres