Area code · Illinois
217 area code
Central Illinois, from the Indiana border to the Mississippi River: Springfield, Champaign-Urbana, Decatur, Quincy and Danville.
- State
- Illinois
- Time zone
- Central
- Overlay
- 447, same area
- Dialing
- 10 digits
- Coverage
- 35 counties
- In service since
- 1947
Coverage217 + 447Rest of Illinois
Get a 217 phone number
Pick a local number, point it at your app, a SIP trunk or a Voice AI agent, and go live in minutes. Local numbers from $1 per month.
Example numbers. Search to see live 217 inventory.
Got a call from 217? Is it spam?
An area code tells you where a number was first assigned, not who is calling. Scammers can spoof any area code, 217 included, so check before you call back.
- Look the number up. Carrier and line type tell you if it is a mobile, landline or VoIP number.
- Never share codes or payment details with a caller you didn't expect.
- Report scams to the FTC at reportfraud.ftc.gov, and add your number to the Do Not Call Registry.
What area does 217 cover?
35 counties across central Illinois, stretching from the Indiana border to the Mississippi River. These are its largest cities.
Springfield
Sangamon County · ~114,000
State capital
Champaign
Champaign County · ~88,000
University of Illinois
Decatur
Macon County · ~70,000
ADM headquarters
Quincy
Adams County · ~43,000
Mississippi River city
Urbana
Champaign County · ~38,000
Twin city with Champaign
Danville
Vermilion County · ~30,000
Near the Indiana border
217 area code time zone
—
Right now in Springfield · Central Time
217 is on Central Time: UTC−6 in winter and UTC−5 from March to November.
How to dial a 217 number
- Inside 217 or 447
- 217 555 0142
- From elsewhere in the US
- 1 217 555 0142
- From outside the US
- +1 217 555 0142
Since the 447 overlay, every local call in the area needs all 10 digits.
History of the 217 area code
- 1947One of the 86 original area codes in the North American Numbering Plan.
- 2021The 447 overlay arrives, and 10-digit dialing becomes the rule for local calls.
- Today217 and 447 share the same 35 counties. New numbers can get either code.
Source: Illinois Commerce Commission
Why the 217 region matters for business
Central Illinois runs on state government, a major research university, agribusiness and regional healthcare. A local 217 number fits any team that serves them.
Government
Springfield is the state capital, home to state agencies and the Abraham Lincoln Presidential Library and Museum.
Education and research
The University of Illinois Urbana-Champaign anchors the region’s research and tech scene.
Agribusiness
Archer Daniels Midland has its global headquarters in Decatur, at the center of corn and soybean country.
Healthcare
Carle Health in Champaign-Urbana, and HSHS St. John’s and Memorial Health in Springfield.
Neighboring area codes
447Overlay · same area
309Peoria · north
815Northern Illinois · northeast
618Southern Illinois · south
573Missouri · west, across the river
765Indiana · east
Frequently asked questions
Where is area code 217?
Central Illinois. It covers 35 counties, including Springfield, Champaign-Urbana, Decatur, Quincy and Danville.
Is 447 the same area as 217?
Yes. 447 is an overlay added in 2021, so both codes serve the same part of central Illinois.
What time zone is the 217 area code?
Central Time: UTC−6 in winter and UTC−5 from March to November.
Is a call from 217 spam?
Not by default. The area code only shows where the number was assigned, and any code can be spoofed. Look the number up before you call back.
Can I get a 217 number for my business?
Yes. Telnyx sells local 217 and 447 numbers from $1 per month, with voice, SMS and MMS on the same number.
Can I keep my 217 number if I switch providers?
Yes. You can port your existing 217 number to Telnyx and keep it.
More Illinois area codes
Browse the area codes library →- 217
- 224
- 309
- 312
- 331
- 447
- 464
- 618
- 630
- 708
- 730
- 773
- 779
- 815
- 847
- 872
