861 Area Code, Illinois

861 area code is a telephone area code in the North American Numbering Plan (NANP) for the west-central part of Illinois, United States.This area code has been used on February 24, 2023.

Information
Area Code861
Major CityPeoria
Service Date02/24/2023
Time ZoneCentral
Overlay Complex309/861
LocationIllinois (IL)
CountryUnited States

Some of the cities served by area code 861 include Peoria, Bloomington, Normal, Moline, Rock Island, Pekin, Galesburg, East Peoria, East Moline and more.

Places covered by phone area code 861

Area codeCity/TownCounty
861AbingdonKnox
861AdairMcDonough
861AlbanyWhiteside
861AledoMercer
861AlexisMercer
861AlphaHenry
861AltonaKnox
861AnchorMcLean
861AndalusiaRock Island
861AndoverHenry
861AnnawanHenry
861ArmingtonTazewell
861ArrowsmithMcLean
861AstoriaFulton
861AtkinsonHenry
861AvonFulton
861BardolphMcDonough
861BarstowRock Island
861BathMason
861BellflowerMcLean
861BensonWoodford
861BerwickWarren
861BiggsvilleHenderson
861Bishop HillHenry
861BlandinsvilleMcDonough
861BloomingtonMcLean
861BradfordStark
861BrimfieldPeoria
861BryantFulton
861BudaBureau
861Buffalo PrairieRock Island
861BushnellMcDonough
861CambridgeHenry
861CameronWarren
861Camp GroveMarshall
861CantonFulton
861Carbon CliffRock Island
861CarlockMcLean
861CarmanHenderson
861CastletonStark
861ChillicothePeoria
861Coal ValleyRock Island
861ColchesterMcDonough
861ColfaxMcLean
861ColonaHenry
861CongervilleWoodford
861CooksvilleMcLean
861CordovaRock Island
861Creve CoeurTazewell
861CropseyMcLean
861CubaFulton
861DahindaKnox
861DanversMcLean
861Deer CreekTazewell
861DelavanTazewell
861DownsMcLean
861DunfermlineFulton
861DunlapPeoria
861East GalesburgKnox
861East MolineRock Island
861East PeoriaTazewell
861EastonMason
861EdelsteinPeoria
861EdwardsPeoria
861El PasoWoodford
861EllisvilleFulton
861EllsworthMcLean
861ElmwoodPeoria
861ErieWhiteside
861EurekaWoodford
861FairviewFulton
861Farmer CityDewitt
861FarmingtonFulton
861FentonWhiteside
861FiattFulton
861Forest CityMason
861GalesburgKnox
861GalvaHenry
861GeneseoHenry
861GerlawWarren
861GilsonKnox
861GladstoneHenderson
861GlasfordPeoria
861Good HopeMcDonough
861GoodfieldWoodford
861Green ValleyTazewell
861GridleyMcLean
861GrovelandTazewell
861HamptonRock Island
861Hanna CityPeoria
861HavanaMason
861HendersonKnox
861HenryMarshall
861HeyworthMcLean
861HillsdaleRock Island
861HopedaleTazewell
861HudsonMcLean
861Illinois CityRock Island
861IndustryMcDonough
861IpavaFulton
861JoyMercer
861KeithsburgMercer
861KewaneeHenry
861KilbourneMason
861Kingston MinesPeoria
861KirkwoodWarren
861KnoxvilleKnox
861La FayetteStark
861La RoseMarshall
861LaconMarshall
861LauraPeoria
861Le RoyMcLean
861LewistownFulton
861LexingtonMcLean
861Little YorkWarren
861LittletonSchuyler
861LiverpoolFulton
861London MillsFulton
861LowpointWoodford
861Lynn CenterHenry
861MackinawTazewell
861MacombMcDonough
861ManitoMason
861MapletonPeoria
861MaquonKnox
861MariettaFulton
861MathervilleMercer
861Mc LeanMcLean
861MediaHenderson
861MernaMcLean
861MetamoraWoodford
861MilanRock Island
861MineralBureau
861MinierTazewell
861MinonkWoodford
861MolineRock Island
861MonmouthWarren
861MortonTazewell
861MossvillePeoria
861NeponsetBureau
861New BostonMercer
861New WindsorMercer
861NormalMcLean
861NorrisFulton
861North HendersonMercer
861OneidaKnox
861OphiemHenry
861OquawkaHenderson
861OrionHenry
861OscoHenry
861PekinTazewell
861PeoriaPeoria
861Peoria HeightsPeoria
861PlymouthHancock
861Port ByronRock Island
861Prairie CityMcDonough
861PreemptionMercer
861PrincevillePeoria
861Rapids CityRock Island
861RaritanHenderson
861ReynoldsRock Island
861RioKnox
861RoanokeWoodford
861Rock IslandRock Island
861RomePeoria
861RosevilleWarren
861San JoseMason
861SaybrookMcLean
861SciotaMcDonough
861SeatonMercer
861SecorWoodford
861SherrardMercer
861ShirleyMcLean
861SilvisRock Island
861SmithfieldFulton
861SmithshireWarren
861South PekinTazewell
861SparlandMarshall
861SpeerStark
861St AugustineKnox
861St DavidFulton
861StanfordMcLean
861StronghurstHenderson
861Table GroveFulton
861Taylor RidgeRock Island
861TennesseeMcDonough
861TopekaMason
861ToulonStark
861TowandaMcLean
861TremontTazewell
861TrivoliPeoria
861VarnaMarshall
861VermontFulton
861VictoriaKnox
861ViolaMercer
861WashburnMarshall
861WashingtonTazewell
861WatagaKnox
861WilliamsfieldKnox
861WoodhullHenry
861WyomingStark
861Yates CityKnox

The main post offices in each region in Nigeria have postal codes ending in 0001. The lowest postal code is 100001 and the highest with a special code is 982112.

NIPOST or Nigerian Postal Service is a company owned and operated by the government of this country. The country has a total of more than 5000 post offices spread throughout the region. Find the correct ZIP (Zone Improvement Plan) code or Postal Code for the postal address you need.