Area code 861 — Illinois
Area code 861 is in Illinois and serves Peoria, Bloomington, Moline, Rock Island. Time zone, overlays, counties and ZIP codes.
| Location | Illinois (Peoria, Bloomington, Moline, Rock Island, Galesburg; west-central Illinois) |
|---|---|
| Main places | Peoria, Bloomington, Moline, Rock Island, Galesburg |
| State | Illinois |
| Status | In service · since 2023 |
| Time zone | Central · |
| Local dialing | 10 digits |
History
- Overlaid on 309
Counties (approximate)
AdamsAdams CountyDe Witt CountyFulton CountyHancockHancock CountyHenderson CountyHenry CountyKnox CountyMarshall CountyMason CountyMcDonough CountyMcLeanMcLean CountyMercer CountyPeoriaPeoria CountyRock IslandRock Island CountySchuyler CountyStark CountyTazewellTazewell CountyWarren CountyWhiteside CountyWoodford County
ZIP codes in area code 861
Approximate: area code boundaries follow telephone rate centers, not ZIP codes.
61201 Rock Island61204 Rock Island61230 Albany61231 Aledo61232 Andalusia61233 Andover61235 Atkinson61236 Barstow61237 Buffalo Prairie61238 Cambridge61239 Carbon Cliff61240 Coal Valley61241 Colona61242 Cordova61244 East Moline61254 Geneseo61256 Hampton61257 Hillsdale61259 Illinois City61260 Joy61262 Lynn Center61263 Matherville61264 Milan61265 Moline61266 Moline61272 New Boston61273 Orion61274 Osco61275 Port Byron61276 Preemption61278 Rapids City61279 Reynolds61281 Sherrard61282 Silvis61284 Taylor Ridge61299 Rock Island61401 Galesburg61402 Galesburg61410 Abingdon61411 Adair
Format a 861 number
US numbers are written as (861) 555-0123 or 861-555-0123. From outside the US, dial +1 861 555 0123.
Is a call from 861 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.