Area code 309/861 is a telephone

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, re ...

in the

North American Numbering Plan The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international calling ...

(NANP) for the west-central part of the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Roc ...

. Two hundred and one municipalities are included in the plan such as Bloomington,

Canton Canton may refer to: Administrative division terminology * Canton (administrative division), territorial/administrative division in some countries, notably Switzerland * Township (Canada), known as ''canton'' in Canadian French Arts and ent ...

East Moline East Moline is a city in Rock Island County, Illinois, United States. The population was 21,374 at the 2020 census. East Moline is part of the Quad Cities, along with the cities of Rock Island, Moline, and the Iowa cities of Davenport and Bett ...

, East Peoria, Galesburg, Kewanee, Macomb, Minonk, Moline, Morton, Normal, Pekin, Peoria, Rock Island,

Silvis Silvis is a city in Rock Island County, Illinois, United States. It is part of a larger metropolitan area known as the Quad Cities. The Quad Cities Metropolitan Area is situated across four counties in Illinois and Iowa. It is located four miles fr ...

, and many smaller communities within the western part of

central Illinois Central Illinois is a region of the U.S. state of Illinois that consists of the entire central third of the state, divided from north to south. Also known as the ''Heart of Illinois'', it is characterized by small towns and mid-sized cities. Agr ...

. The area code was created in 1957, and was one of the first area codes not serving an entire state, but having the digit ''0'' as the second digit of the code. It was the only new area code created in Illinois between the 1947 implementation start of a national numbering plan and the 1989 creation of area code 708. On October 24, 2021, area code 309 was transitioned to

ten-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telep ...

, despite not being part of an overlay numbering plan, in which multiple area codes are assigned to a numbering plan area. The area code had telephone numbers assigned for the

central office code The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international calli ...

988. In 2020, ''988'' was designated nationwide as a dialing code for the

National Suicide Prevention Lifeline The 988 Suicide & Crisis Lifeline (formerly known as the National Suicide Prevention Lifeline) is a United States-based suicide prevention network of over 200+ crisis centers that provides 24/7 service via a toll-free hotline with the number 9- ...

, which created a conflict for exchanges that still permitted

seven-digit dialing Seven-digit dialing is a telephone dialing procedure customary in some territories of the North American Numbering Plan (NANP) for dialing telephone numbers in the same numbering plan area (NPA). NANP telephone numbers consist of ten digits, of ...

. NANPA exhaust projections for 309 in 2021 determined an exhaustion date in late 2023. For mitigation, a new all-services distributed overlay was announced with the new area code 861, which is scheduled for operation on February 24, 2023.NANPA Planning Letter No. 577
/ref> The earliest date central office codes may be requested is December 20, 2022, but only after all central office codes in area code 309 have been allocated.

Service area

Communities in the numbering plan area include: * Abingdon * Adair * Albany *

Aledo Aledo may refer to: *Aledo, Illinois *Aledo, Texas *Aledo, Spain Aledo is a municipality in the Region of Murcia, southern Spain. It is home to a castle built during the early Middle Ages by the Moors, to command the Guadalentín valley. When the ...

* Alexis * Alpha * Altona *

Anchor An anchor is a device, normally made of metal , used to secure a vessel to the bed of a body of water to prevent the craft from drifting due to wind or current. The word derives from Latin ''ancora'', which itself comes from the Greek ...

Andalusia Andalusia (, ; es, Andalucía ) is the southernmost autonomous community in Peninsular Spain. It is the most populous and the second-largest autonomous community in the country. It is officially recognised as a "historical nationality". The ...

Andover Andover may refer to: Places Australia *Andover, Tasmania Canada * Andover Parish, New Brunswick * Perth-Andover, New Brunswick United Kingdom * Andover, Hampshire, England ** RAF Andover, a former Royal Air Force station United States * And ...

* Annawan * Armington * Arrowsmith * Astoria * Atkinson *

Avon Avon may refer to: * River Avon (disambiguation), several rivers Organisations *Avon Buses, a bus operating company in Wirral, England *Avon Coachworks, a car body builder established in 1919 at Warwick, England, relaunched in 1922, following ...

* Bardolph * Barstow *

Bath Bath may refer to: * Bathing, immersion in a fluid ** Bathtub, a large open container for water, in which a person may wash their body ** Public bathing, a public place where people bathe * Thermae, ancient Roman public bathing facilities Plac ...

* Bellflower * Benson * Berwick * Biggsville * Bishop Hill * Blandinsville * Bloomington * Bradford * Brimfield *

Bryant Bryant may refer to: Organizations * Bryant Bank, a bank in Alabama, United States * Bryant Electric Company, an American manufacturer of electrical components * Bryant Homes, a British house builder, part of Taylor Woodrow * Bryant University ...

Buda Buda (; german: Ofen, sh-Latn-Cyrl, separator=" / ", Budim, Будим, Czech and sk, Budín, tr, Budin) was the historic capital of the Kingdom of Hungary and since 1873 has been the western part of the Hungarian capital Budapest, on the ...

* Buffalo Prairie * Bushnell *

Cambridge Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge beca ...

Cameron Cameron may refer to: People * Clan Cameron, a Scottish clan * Cameron (given name), a given name (including a list of people with the name) * Cameron (surname), a surname (including a list of people with the name) ;Mononym * Cam'ron (born 197 ...

* Camp Grove *

* Carbon Cliff * Carlock * Carman * Castleton * Chillicothe * Coal Valley *

Colchester Colchester ( ) is a city in Essex, in the East of England. It had a population of 122,000 in 2011. The demonym is Colcestrian. Colchester occupies the site of Camulodunum, the first major city in Roman Britain and its first capital. Colc ...

* Colfax * Colona * Congerville * Cooksville * Cordova * Creve Coeur * Cropsey *

Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...

Dahinda Dahinda is an unincorporated community in Knox County, Illinois, United States. It is part of the Galesburg Micropolitan Statistical Area. Dahinda is in Persifer Township and lies approximately one mile north of U.S. Highway 150 and Interst ...

* Danvers * Deer Creek * Delavan * Downs * Dumfermline * Dunlap * East Galesburg *

* East Peoria * Easton * Edelstein * Edwards *

El Paso El Paso (; "the pass") is a city in and the seat of El Paso County in the western corner of the U.S. state of Texas. The 2020 population of the city from the U.S. Census Bureau was 678,815, making it the 23rd-largest city in the U.S., the ...

* Ellisville * Ellsworth * Elmwood *

Erie Erie (; ) is a city on the south shore of Lake Erie and the county seat of Erie County, Pennsylvania, United States. Erie is the fifth largest city in Pennsylvania and the largest city in Northwestern Pennsylvania with a population of 94,831 at ...

* Eureka * Fairview *

Farmer City Farmer City is a city in DeWitt County, Illinois, United States. The population was 1,828 at the 2020 census. Farmer City is part of Blue Ridge Community Unit School District 18 sharing facilities with nearby Mansfield and Bellflower, Illino ...

Farmington Farmington may refer to: Places Canada *Farmington, British Columbia *Farmington, Nova Scotia (disambiguation) United States * Farmington, Arkansas *Farmington, California * Farmington, Connecticut *Farmington, Delaware * Farmington, Georgia ...

* Fenton * Fiatt * Forest City * Galesburg * Galva * Geneseo * Gerlaw * Gilson *

Gladstone William Ewart Gladstone ( ; 29 December 1809 – 19 May 1898) was a British statesman and Liberal politician. In a career lasting over 60 years, he served for 12 years as Prime Minister of the United Kingdom, spread over four non-con ...

* Glasford * Good Hope * Goodfield * Green Valley * Gridley * Groveland * Hampton * Hanna City *

Havana Havana (; Spanish: ''La Habana'' ) is the capital and largest city of Cuba. The heart of the La Habana Province, Havana is the country's main port and commercial center.

* Henderson * Henry * Heyworth * Hillsdale * Hopedale * Hudson *

Illinois City Illinois City is an unincorporated community in the U.S. state of Illinois, across the Mississippi River from Muscatine, Iowa. It straddles Buffalo Prairie Township and Drury Township in Rock Island County, Illinois. Walter Gierlus-Price is th ...

* Industry * Ipava * Joy * Keithsburg * Kewanee * Kilbourne *

Kingston Mines Kingston Mines is a village in Peoria County, Illinois, United States. The population was 259 at the 2000 census. It is part of the Peoria, Illinois Metropolitan Statistical Area. Located on the Illinois River, it was a shipping port, loading co ...

* Kirkwood *

Knoxville Knoxville is a city in and the county seat of Knox County in the U.S. state of Tennessee. As of the 2020 United States census, Knoxville's population was 190,740, making it the largest city in the East Tennessee Grand Division and the state ...

* La Fayette * La Rose * Lacon *

Laura Laura may refer to: People * Laura (given name) * Laura, the British code name for the World War I Belgian spy Marthe Cnockaert Places Australia * Laura, Queensland, a town on the Cape York Peninsula * Laura, South Australia * Laura Bay, a bay on ...

* Le Roy * Lewistown * Lexington * Little York * Littleton *

Liverpool Liverpool is a City status in the United Kingdom, city and metropolitan borough in Merseyside, England. With a population of in 2019, it is the List of English districts by population, 10th largest English district by population and its E ...

* London Mills * Low Point * Lynn Center *

Mackinaw Mackinac or Mackinaw may refer to: Geography Landforms * Straits of Mackinac, a waterway in the U.S. state of Michigan connecting two of the Great Lakes, Lake Michigan and Lake Huron and separating the Upper and Lower Peninsulas of Michigan * Mac ...

* Macomb * Manito *

Mapleton Mapleton may refer to: Places Australia * Mapleton, Queensland, a rural town and locality in the Sunshine Coast Region Canada * Mapleton, New Brunswick, a rural community in Kings County * Mapleton, Moncton, New Brunswick, a neighborhood * Mapl ...

* Maquon * Marietta * Matherville * Mc Lean *

Media Media may refer to: Communication * Media (communication), tools used to deliver information or data ** Advertising media, various media, content, buying and placement for advertising ** Broadcast media, communications delivered over mass el ...

* Merna * Metamora *

Milan Milan ( , , Lombard language, Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the List of cities in Italy, second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 ...

Mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. ...

Minier Minier is a French surname. Origin In French, the word means ''mining'', in the sense of ''pertaining or related to mining''. Notable people Notable people with this surname include: * Christine Minier (born 1964), French singer * Daniel D. Mi ...

* Minonk * Moline *

Monmouth Monmouth ( , ; cy, Trefynwy meaning "town on the Monnow") is a town and community in Wales. It is situated where the River Monnow joins the River Wye, from the Wales–England border. Monmouth is northeast of Cardiff, and west of London. ...

* Morton * Mossville * Neponset * New Boston * New Windsor * Normal * Norris * North Henderson * Oneida *

Oquawka Oquawka is a village in Henderson County, Illinois, United States. The population was 1,371 at the 2010 census. It is the county seat of Henderson County. Oquawka is part of the Burlington, IA–IL Micropolitan Statistical Area. Geography ...

* Orion * Osco * Pekin * Peoria * Peoria Heights *

Plymouth Plymouth () is a port city and unitary authority in South West England. It is located on the south coast of Devon, approximately south-west of Exeter and south-west of London. It is bordered by Cornwall to the west and south-west. Plymout ...

* Port Byron * Prairie City * Preemption * Princeville * Rapids City * Raritan * Reynolds * Rio * Roanoke * Rock Island *

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus ( legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

Roseville Roseville may refer to: Australia *Roseville, New South Wales Canada * Roseville, Ontario Malta * RoseVille (aka Villa Roseville), a house in Attard, Malta South Africa *Roseville, Pretoria, a suburb United Kingdom *Roseville, Dudley United S ...

St. Augustine Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Afri ...

St. David Saint David ( cy, Dewi Sant; la, Davidus; ) was a Welsh bishop of Mynyw (now St Davids) during the 6th century. He is the patron saint of Wales. David was a native of Wales, and tradition has preserved a relatively large amount of detail ab ...

* San Jose * Saybrook *

Siota Siota is a region on the north side of Nggela Island at the western end of Utuhu Passage in the Central Province of Solomon Islands, a state in the southwest Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oc ...

* Seaton * Secor * Sherrard * Shirley *

* Smithfield * Smithshire *

South Pekin South Pekin is a village in Tazewell County, Illinois, United States. The population was 1,146 at the 2010 census and is part of the Peoria, Illinois Metropolitan Statistical Area. History South Pekin was incorporated on April 12, 1917, five mi ...

* Sparland *

Speer Speer is a surname. : Ashkenazim (): a spelling variation of ''Speyer'', a name indicative of origin from the German city of Speyer : Middle High German and Middle Dutch (): ''sper'', meaning "spear" : Scottish and northern Irish : a spelling va ...

Stanford Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, California. The campus occupies , among the largest in the United States, and enrolls over 17,000 students. Stanford is consider ...

* Stronghurst * Table Grove *

Taylor Ridge Taylor Ridge () is a rock ridge, 10 nautical miles (18 km) long, forming a precipitous wall along the west side of Scott Glacier between the mouths of Koerwitz and Vaughan Glaciers, in the Queen Maud Mountains. Discovered by the Byrd Antarcti ...

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to ...

Topeka Topeka ( ; Kansa: ; iow, Dópikˀe, script=Latn or ) is the capital city of the U.S. state of Kansas and the seat of Shawnee County. It is along the Kansas River in the central part of Shawnee County, in northeast Kansas, in the Central ...

Toulon Toulon (, , ; oc, label=Provençal, Tolon , , ) is a city on the French Riviera and a large port on the Mediterranean coast, with a major naval base. Located in the Provence-Alpes-Côte d'Azur region, and the Provence province, Toulon is the ...

* Towanda * Tremont * Trivoli * Varna *

Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to the ...

* Victoria *

Viola ; german: Bratsche , alt=Viola shown from the front and the side , image=Bratsche.jpg , caption= , background=string , hornbostel_sachs=321.322-71 , hornbostel_sachs_desc=Composite chordophone sounded by a bow , range= , related= *Violin family ...

Washburn Washburn (alternatively Wasseburne, Wasseborne, Wasshebourne, Wassheborne, Washbourne, Washburne, Washborne, Washborn, Wasborn, Washbon) is a toponymic surname, probably of Old English origin, with likely Anglo-Norman and Norman-French influenc ...

* Washington * Wataga * Williamsfield *

Woodhull Woodhull may refer to: * Woodhull, Illinois * Woodhull, New York * Woodhull Lake (New York) * Woodhull Township, Michigan * Woodhull, Wisconsin * Woodhull Sexual Freedom Alliance, previously known as the Woodhull Freedom Foundation * Woodhull Medica ...

Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the sou ...

* Yates City

References

External links

{{coord, 40, 41, 31, N, 89, 35, 28, W, type:landmark_region:US-IL_source:GoogleMaps, display=title, name=Area code 309 tandem (Peoria Jefferson)

309 __NOTOC__ Year 309 ( CCCIX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Licinianus and Constantius (or, less frequently ...

Telecommunications-related introductions in 1957

Service area

See also

References

External links