861 Area CodePeoria, IL
Area code 861 covers Peoria and 202 other cities in Illinois: 899,606 people in 18 counties, led by Peoria and McLean, on Central Time (CT). It overlays 309.
Overview
- Major City
- Peoria
- State
- Illinois (IL)
- Timezone
- Central Time (CT)
- Current Time
- –:––
- Overlay
- Yes – shares area with 309
Where is area code 861?
Overview of the 861 Area Code
Geographic Coverage of the 861 Area Code
All 203 cities- 111,696
- 79,232
- 53,304
- 42,442
- 36,434
- 31,266
Peoria Area Codes Overview
- 309Same territory
- 861This page
What cities does area code 861 cover?
| City | State | Population | Population in 861 | % of listed-city population | % of City |
|---|---|---|---|---|---|
| Peoria | IL | 111,696 | 111,696 | 15.3% | 100.0% |
| Bloomington | IL | 79,232 | 79,232 | 10.9% | 100.0% |
| Normal | IL | 53,304 | 53,304 | 7.3% | 100.0% |
| Moline | IL | 42,442 | 42,442 | 5.8% | 100.0% |
| Rock Island | IL | 36,434 | 36,434 | 5.0% | 100.0% |
| Pekin | IL | 31,266 | 31,266 | 4.3% | 100.0% |
| Galesburg | IL | 29,289 | 29,289 | 4.0% | 100.0% |
| East Peoria | IL | 22,024 | 22,024 | 3.0% | 100.0% |
| East Moline | IL | 20,995 | 20,995 | 2.9% | 100.0% |
| Morton | IL | 17,557 | 17,557 | 2.4% | 100.0% |
| Washington | IL | 15,857 | 15,857 | 2.2% | 100.0% |
| Macomb | IL | 14,765 | 14,765 | 2.0% | 100.0% |
| Canton | IL | 12,896 | 12,896 | 1.8% | 100.0% |
| Kewanee | IL | 12,146 | 12,146 | 1.7% | 100.0% |
| Monmouth | IL | 8,639 | 8,639 | 1.2% | 100.0% |
| Silvis | IL | 8,003 | 8,003 | 1.1% | 100.0% |
| Geneseo | IL | 6,503 | 6,503 | 0.9% | 100.0% |
| Chillicothe | IL | 6,052 | 6,052 | 0.8% | 100.0% |
| Bartonville | IL | 5,836 | 5,836 | 0.8% | 100.0% |
| Peoria Heights | IL | 5,802 | 5,802 | 0.8% | 100.0% |
| Eureka | IL | 5,189 | 5,189 | 0.7% | 100.0% |
| Milan | IL | 5,033 | 5,033 | 0.7% | 100.0% |
| Colona | IL | 4,960 | 4,960 | 0.7% | 100.0% |
| Creve Coeur | IL | 4,832 | 4,832 | 0.7% | 100.0% |
| West Peoria | IL | 4,204 | 4,204 | 0.6% | 100.0% |
| Coal Valley | IL | 3,883 | 3,883 | 0.5% | 100.0% |
| Metamora | IL | 3,870 | 3,870 | 0.5% | 100.0% |
| Aledo | IL | 3,522 | 3,522 | 0.5% | 100.0% |
| Le Roy | IL | 3,495 | 3,495 | 0.5% | 100.0% |
| Germantown Hills | IL | 3,450 | 3,450 | 0.5% | 100.0% |
| Georgetown | IL | 3,001 | 3,001 | 0.4% | 100.0% |
| Heyworth | IL | 2,883 | 2,883 | 0.4% | 100.0% |
| Abingdon | IL | 2,871 | 2,871 | 0.4% | 100.0% |
| Knoxville | IL | 2,840 | 2,840 | 0.4% | 100.0% |
| Havana | IL | 2,826 | 2,826 | 0.4% | 100.0% |
| El Paso | IL | 2,732 | 2,732 | 0.4% | 100.0% |
| Bushnell | IL | 2,649 | 2,649 | 0.4% | 100.0% |
| Marquette Heights | IL | 2,485 | 2,485 | 0.3% | 100.0% |
| Galva | IL | 2,396 | 2,396 | 0.3% | 100.0% |
| Henry | IL | 2,298 | 2,298 | 0.3% | 100.0% |
| Farmington | IL | 2,295 | 2,295 | 0.3% | 100.0% |
| Tremont | IL | 2,247 | 2,247 | 0.3% | 100.0% |
| Lexington | IL | 2,097 | 2,097 | 0.3% | 100.0% |
| Elmwood | IL | 2,041 | 2,041 | 0.3% | 100.0% |
| Cambridge | IL | 2,034 | 2,034 | 0.3% | 100.0% |
| Lewistown | IL | 1,960 | 1,960 | 0.3% | 100.0% |
| Roanoke | IL | 1,928 | 1,928 | 0.3% | 100.0% |
| Bellevue | IL | 1,903 | 1,903 | 0.3% | 100.0% |
| Minonk | IL | 1,898 | 1,898 | 0.3% | 100.0% |
| Mackinaw | IL | 1,848 | 1,848 | 0.3% | 100.0% |
| Lacon | IL | 1,838 | 1,838 | 0.3% | 100.0% |
| Farmer City | IL | 1,817 | 1,817 | 0.3% | 100.0% |
| Carbon Cliff | IL | 1,808 | 1,808 | 0.3% | 100.0% |
| Hudson | IL | 1,767 | 1,767 | 0.2% | 100.0% |
| Hampton | IL | 1,755 | 1,755 | 0.2% | 100.0% |
| Rome | IL | 1,738 | 1,738 | 0.2% | 100.0% |
| Princeville | IL | 1,719 | 1,719 | 0.2% | 100.0% |
| Orion | IL | 1,714 | 1,714 | 0.2% | 100.0% |
| Chenoa | IL | 1,699 | 0 | 0.2% | 0.0% |
| Lake Camelot | IL | 1,686 | 1,686 | 0.2% | 100.0% |
| Port Byron | IL | 1,643 | 1,643 | 0.2% | 100.0% |
| Dunlap | IL | 1,596 | 1,596 | 0.2% | 100.0% |
| Twin Grove | IL | 1,564 | 1,564 | 0.2% | 100.0% |
| Delavan | IL | 1,545 | 1,545 | 0.2% | 100.0% |
| Heritage Lake | IL | 1,520 | 1,520 | 0.2% | 100.0% |
| Erie | IL | 1,491 | 1,491 | 0.2% | 100.0% |
| Manito | IL | 1,488 | 1,488 | 0.2% | 100.0% |
| Gridley | IL | 1,443 | 1,443 | 0.2% | 100.0% |
| North Pekin | IL | 1,439 | 1,439 | 0.2% | 100.0% |
| Wyoming | IL | 1,269 | 1,269 | 0.2% | 100.0% |
| Hanna City | IL | 1,248 | 1,248 | 0.2% | 100.0% |
| Downs | IL | 1,185 | 1,185 | 0.2% | 100.0% |
| Andalusia | IL | 1,167 | 1,167 | 0.2% | 100.0% |
| Toulon | IL | 1,165 | 1,165 | 0.2% | 100.0% |
| Cuba | IL | 1,137 | 1,137 | 0.2% | 100.0% |
| Minier | IL | 1,137 | 1,137 | 0.2% | 100.0% |
| Colchester | IL | 1,082 | 1,082 | 0.2% | 100.0% |
| Danvers | IL | 1,077 | 1,077 | 0.2% | 100.0% |
| Oquawka | IL | 1,074 | 1,074 | 0.1% | 100.0% |
| Windsor | IL | 1,037 | 1,037 | 0.1% | 100.0% |
| Washburn | IL | 1,011 | 1,011 | 0.1% | 100.0% |
| Colfax | IL | 985 | 985 | 0.1% | 100.0% |
| South Pekin | IL | 965 | 965 | 0.1% | 100.0% |
| Goodfield | IL | 958 | 958 | 0.1% | 100.0% |
| Wenona | IL | 955 | 0 | 0.1% | 0.0% |
| Rapids City | IL | 935 | 935 | 0.1% | 100.0% |
| Atkinson | IL | 930 | 930 | 0.1% | 100.0% |
| Astoria | IL | 887 | 887 | 0.1% | 100.0% |
| Annawan | IL | 860 | 860 | 0.1% | 100.0% |
| Albany | IL | 851 | 851 | 0.1% | 100.0% |
| Glasford | IL | 849 | 849 | 0.1% | 100.0% |
| Viola | IL | 843 | 843 | 0.1% | 100.0% |
| Roseville | IL | 839 | 839 | 0.1% | 100.0% |
| Coyne Center | IL | 827 | 827 | 0.1% | 100.0% |
| Hopedale | IL | 802 | 802 | 0.1% | 100.0% |
| Sheffield | IL | 798 | 0 | 0.1% | 0.0% |
| Dallas City | IL | 778 | 0 | 0.1% | 0.0% |
| Stronghurst | IL | 772 | 772 | 0.1% | 100.0% |
| Brimfield | IL | 770 | 770 | 0.1% | 100.0% |
| Alexis | IL | 755 | 755 | 0.1% | 100.0% |
| East Galesburg | IL | 744 | 744 | 0.1% | 100.0% |
| McLean | IL | 736 | 736 | 0.1% | 100.0% |
| Woodhull | IL | 733 | 733 | 0.1% | 100.0% |
| Wataga | IL | 723 | 723 | 0.1% | 100.0% |
| Matherville | IL | 690 | 690 | 0.1% | 100.0% |
| Sherrard | IL | 688 | 688 | 0.1% | 100.0% |
| Oneida | IL | 681 | 681 | 0.1% | 100.0% |
| Avon | IL | 671 | 671 | 0.1% | 100.0% |
| Cordova | IL | 663 | 663 | 0.1% | 100.0% |
| Bradford | IL | 662 | 662 | 0.1% | 100.0% |
| Alpha | IL | 653 | 653 | 0.1% | 100.0% |
| Deer Creek | IL | 650 | 650 | 0.1% | 100.0% |
| Kirkwood | IL | 648 | 648 | 0.1% | 100.0% |
| Saybrook | IL | 645 | 645 | 0.1% | 100.0% |
| Yates City | IL | 637 | 637 | 0.1% | 100.0% |
| New Boston | IL | 605 | 605 | 0.1% | 100.0% |
| Green Valley | IL | 599 | 599 | 0.1% | 100.0% |
| Stanford | IL | 588 | 588 | 0.1% | 100.0% |
| Carlock | IL | 569 | 569 | 0.1% | 100.0% |
| Vermont | IL | 559 | 559 | 0.1% | 100.0% |
| Williamsfield | IL | 557 | 557 | 0.1% | 100.0% |
| Blandinsville | IL | 550 | 550 | 0.1% | 100.0% |
| Oak Run | IL | 547 | 547 | 0.1% | 100.0% |
| Keithsburg | IL | 545 | 545 | 0.1% | 100.0% |
| Andover | IL | 539 | 539 | 0.1% | 100.0% |
| St. David | IL | 505 | 505 | 0.1% | 100.0% |
| Congerville | IL | 503 | 503 | 0.1% | 100.0% |
| Reynolds | IL | 488 | 488 | 0.1% | 100.0% |
| Spring Bay | IL | 483 | 483 | 0.1% | 100.0% |
| Oak Grove | IL | 470 | 470 | 0.1% | 100.0% |
| San Jose | IL | 469 | 469 | 0.1% | 100.0% |
| Buda | IL | 465 | 465 | 0.1% | 100.0% |
| Altona | IL | 451 | 451 | 0.1% | 100.0% |
| Norwood | IL | 433 | 433 | 0.1% | 100.0% |
| Towanda | IL | 426 | 426 | 0.1% | 100.0% |
| Ipava | IL | 426 | 426 | 0.1% | 100.0% |
| Plymouth | IL | 421 | 421 | 0.1% | 100.0% |
| Hopewell | IL | 415 | 415 | 0.1% | 100.0% |
| Hillsdale | IL | 413 | 413 | 0.1% | 100.0% |
| Fairview | IL | 410 | 410 | 0.1% | 100.0% |
| Neponset | IL | 408 | 408 | 0.1% | 100.0% |
| Benson | IL | 404 | 404 | 0.1% | 100.0% |
| Prairie City | IL | 399 | 399 | 0.1% | 100.0% |
| Industry | IL | 387 | 387 | 0.1% | 100.0% |
| Lomax | IL | 379 | 0 | 0.1% | 0.0% |
| Varna | IL | 372 | 372 | 0.1% | 100.0% |
| Joy | IL | 359 | 359 | 0.1% | 100.0% |
| Sparland | IL | 355 | 355 | 0.1% | 100.0% |
| Good Hope | IL | 353 | 353 | 0.1% | 100.0% |
| Bay View Gardens | IL | 353 | 353 | 0.1% | 100.0% |
| Goofy Ridge | IL | 350 | 350 | 0.1% | 100.0% |
| London Mills | IL | 342 | 342 | 0.0% | 100.0% |
| Secor | IL | 337 | 337 | 0.0% | 100.0% |
| Bellflower | IL | 335 | 335 | 0.0% | 100.0% |
| Table Grove | IL | 333 | 333 | 0.0% | 100.0% |
| Armington | IL | 304 | 304 | 0.0% | 100.0% |
| Easton | IL | 302 | 302 | 0.0% | 100.0% |
| Biggsville | IL | 287 | 287 | 0.0% | 100.0% |
| Arrowsmith | IL | 271 | 271 | 0.0% | 100.0% |
| Little York | IL | 268 | 268 | 0.0% | 100.0% |
| Kingston Mines | IL | 267 | 267 | 0.0% | 100.0% |
| Bath | IL | 265 | 265 | 0.0% | 100.0% |
| Kilbourne | IL | 259 | 259 | 0.0% | 100.0% |
| Victoria | IL | 259 | 259 | 0.0% | 100.0% |
| Henderson | IL | 257 | 257 | 0.0% | 100.0% |
| Mapleton | IL | 253 | 253 | 0.0% | 100.0% |
| Dunfermline | IL | 252 | 252 | 0.0% | 100.0% |
| Kappa | IL | 233 | 233 | 0.0% | 100.0% |
| Gladstone | IL | 221 | 221 | 0.0% | 100.0% |
| Maquon | IL | 215 | 215 | 0.0% | 100.0% |
| Forest City | IL | 210 | 210 | 0.0% | 100.0% |
| Adair | IL | 210 | 210 | 0.0% | 100.0% |
| Seaton | IL | 206 | 206 | 0.0% | 100.0% |
| Rio | IL | 205 | 205 | 0.0% | 100.0% |
| Bardolph | IL | 204 | 204 | 0.0% | 100.0% |
| Mineral | IL | 201 | 201 | 0.0% | 100.0% |
| Gilson | IL | 190 | 190 | 0.0% | 100.0% |
| Smithfield | IL | 184 | 184 | 0.0% | 100.0% |
| Ellsworth | IL | 180 | 180 | 0.0% | 100.0% |
| Norris | IL | 167 | 167 | 0.0% | 100.0% |
| Bryant | IL | 164 | 164 | 0.0% | 100.0% |
| Anchor | IL | 160 | 160 | 0.0% | 100.0% |
| North Henderson | IL | 159 | 159 | 0.0% | 100.0% |
| Banner | IL | 158 | 158 | 0.0% | 100.0% |
| La Fayette | IL | 154 | 154 | 0.0% | 100.0% |
| Cleveland | IL | 153 | 153 | 0.0% | 100.0% |
| Cooksville | IL | 153 | 153 | 0.0% | 100.0% |
| Rock Island Arsenal | IL | 149 | 149 | 0.0% | 100.0% |
| Littleton | IL | 136 | 136 | 0.0% | 100.0% |
| Browning | IL | 117 | 0 | 0.0% | 0.0% |
| St. Augustine | IL | 114 | 114 | 0.0% | 100.0% |
| Bishop Hill | IL | 112 | 112 | 0.0% | 100.0% |
| Media | IL | 111 | 111 | 0.0% | 100.0% |
| Tennessee | IL | 100 | 100 | 0.0% | 100.0% |
| Marietta | IL | 100 | 100 | 0.0% | 100.0% |
| La Rose | IL | 98 | 98 | 0.0% | 100.0% |
| Raritan | IL | 98 | 98 | 0.0% | 100.0% |
| Liverpool | IL | 91 | 91 | 0.0% | 100.0% |
| Ellisville | IL | 85 | 85 | 0.0% | 100.0% |
| Topeka | IL | 56 | 56 | 0.0% | 100.0% |
| Gulf Port | IL | 54 | 54 | 0.0% | 100.0% |
| Panola | IL | 43 | 43 | 0.0% | 100.0% |
| Sciota | IL | 36 | 36 | 0.0% | 100.0% |
City population is shown in full; each city's share inside 861 is measured from Census tract centroids.
What counties does area code 861 cover?
| County | State | Population in 861 | % of area-code footprint | % of County |
|---|---|---|---|---|
| Peoria County | IL | 181,830 | 20% | 100% |
| McLean County | IL | 165,973 | 18% | 97% |
| Rock Island County | IL | 144,672 | 16% | 100% |
| Tazewell County | IL | 131,343 | 15% | 100% |
| Knox County | IL | 49,967 | 6% | 100% |
| Henry County | IL | 49,284 | 5% | 100% |
| Woodford County | IL | 38,467 | 4% | 100% |
| Fulton County | IL | 33,609 | 4% | 100% |
| McDonough County | IL | 27,238 | 3% | 100% |
| Warren County | IL | 16,835 | 2% | 100% |
| Mercer County | IL | 15,699 | 2% | 100% |
| Mason County | IL | 10,955 | 1% | 84% |
| Marshall County | IL | 9,696 | 1% | 83% |
| Whiteside County | IL | 7,043 | 1% | 13% |
| Henderson County | IL | 6,387 | 1% | 100% |
| Stark County | IL | 5,400 | 1% | 100% |
| Bureau County | IL | 2,715 | 0% | 8% |
| De Witt County | IL | 2,493 | 0% | 16% |
Sources:
- Census PEP Vintage 2024 (city populations)
- · 2020 Census tract centroids with NANP and TIGERweb boundaries (footprint, counties, city shares)
- · NANPA NPA report (dates)
- · Methodology
Frequently Asked Questions about the 861 Area Code
Who called me from a 861 number?
Its 203 cities are led by Peoria, Bloomington, and Normal.
Is 861 a scam area code?
No: it is an overlay of 309.
Why do I keep getting calls from the 861 area code?
About 899,606 people live in its territory.
Should I answer an unknown 861 number?
Its territory spans 18 counties.
How do I block calls from the 861 area code?
Blocking 861 still lets 309 numbers through.
Where is area code 861?
861 covers 203 cities and 899,606 residents in 18 Illinois counties, led by Peoria, McLean, and Rock Island.
When did area code 861 go into service?
861 went into service on February 24, 2023. It was added to overlay 309.
Is 861 a real area code?
Yes: 203 cities in Peoria, McLean, Rock Island, and 15 other counties use it.
What timezone is the 861 area code in?
861 is on Central Time (CT).
How do I call a 861 number from abroad?
Dial +1 861, then the number.