Area Code 859 — Covington, Kentucky

NANP area code

859

UTC−5, UTC−4 during daylight saving

State
Kentucky
Primary city
Covington
Time zone
Eastern
In service
2000

The code reaches 78 communities and 24 counties across Kentucky.

Was this call legitimate?

The area code itself carries no risk signal. 859 is assigned to Covington, Kentucky, so a call from it is consistent with a real caller in that area — but the digits alone prove nothing, because they can be forged.

Caller ID is set by whoever places the call, not verified by the network. That is why neighbour spoofing works: an operation anywhere in the world can display a number that matches the area code — and often the first three digits after it — of the person being called, so the call looks local. Every community in the 859 territory is a plausible-looking origin for a forged 859 number, which is why one can be made to look like a neighbour to so many people.

If you did not recognise the call: let it go to voicemail — a legitimate caller with real business will leave one. Do not return the call using the number shown; look the organisation up independently and call the number you found. Never confirm personal details, card numbers, or one-time codes to someone who called you, however plausible the number looked.

Codes.zone publishes no complaint counts, risk scores, or caller identities. We hold no data on individual numbers and will not estimate what we cannot source.

Local time and when to call back

Time there now

Eastern · UTC−5, UTC−4 during daylight saving

Reasonable callback window

8:00 AM – 9:00 PM

local time in Eastern

Federal rules bar telemarketing calls to a residence outside 8:00 AM–9:00 PM in the called party's own time zone. It is a sensible bound for a personal callback too — and a caller who rang you well outside it was not observing it.

Overlay codes

859 is the only area code serving its territory — it has no overlay in the current numbering plan for Kentucky. Where a region has no overlay, a number's area code still corresponds to a single geographic area.

Cities served

largest 20 by ZIP count
Communities served by area code 859, ranked by how many ZIP codes each holds.
CityZIP codesCounty
Lexington39Fayette County
Covington5Kenton County
Newport4Campbell County
Berea2Madison County
Danville2Boyle County
Erlanger2Kenton County
Florence2Boone County
Hebron2Boone County
Nicholasville2Jessamine County
Paris2Bourbon County
Richmond2Madison County
Versailles2Woodford County
Winchester2Clark County
Alexandria1Campbell County
Bellevue1Campbell County
Berry1Harrison County
Bighill1Madison County
Bryantsville1Garrard County
Burgin1Mercer County
Burlington1Boone County

58 further communities not listed. All Kentucky area codes →

Each point is a community served by 859, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Scope every community matched to 859. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot), GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . Coordinates are place reference points, not boundaries.

Counties

Prefixes inside 859

We do not publish the NXX prefixes inside 859. The assignment of prefixes to rate centres comes from LERG routing data, which is proprietary, and we will not estimate it from postal data — ZIP codes and telephone prefixes do not map onto each other. Awaiting a clean-rights NPA-NXX source.