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US area code · Illinois

217 area code

Where the 217 area code is, its overlay and how to dial a +1 217 number from anywhere.

CoversChampaign, IllinoisTime zoneCentral (CT)TypeOverlay
Quick answer

The 217 area code is in Champaign, Illinois, United States (Central (CT)). To call from abroad: +1 217 555-0123. It is an overlay, so all 10 digits are dialled.

StateIllinois
Main areaChampaign
Time zoneCentral (CT)
TypeOverlay
10-digit dialingRequired
In service since01-Jan-1947

The 217 area code is a geographic North American Numbering Plan (NANP) code covering Champaign, Illinois. It has been in service since 01-Jan-1947 and sits in the Central (CT) time zone.

Overlay 217 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

217447

How to dial a 217 number

From abroad+1 217 555-0123
Within the US / Canada1 217 555-0123
Locally (same area)217 555-0123

Cities in the 217 area code

A 217 number is usually in one of these places in Illinois — 6 counties.

Champaign ChampaignCharleston ColesDanville VermilionDecatur MaconQuincy AdamsSpringfield SangamonUrbana Champaign

Other Illinois area codes

224309312331447464618630708730773779815847861872

Frequently asked questions

Where is the 217 area code?

The 217 area code is in Champaign, Illinois, United States (Central (CT)).

Is 217 an overlay area code?

Yes. 217 overlays the same region as 447, so callers dial all 10 digits.

Do I have to dial 10 digits for 217?

Yes — dial the area code plus the seven-digit number.

How do I call a 217 number from another country?

Dial your exit code (or +), then 1, then 217, then the number: +1 217 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 217 number does not pinpoint a street or ZIP code.

Number holders in area code 217

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 800 prefixes are in use in 217, shared by 56 companies. The largest holders:

CompanyPrefixesShare
Illinois Bell Tel Co12916%
Frontier North, Inc.11414%
New Cingular Wireless PCS, LLC729%
Level 3 Communications, LLC597%
Cellco Partnership Dba Verizon Wireless516%
Illinois Consolidated Tel. Co.456%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 217 numbers

Reports to the FTC, last 30 days
1,203
Recorded messages or robocalls
77%
Rank among area codes
#22 of 670
Most reported subjects
Reducing your debt (credit cards, mortgage, student loans) (485)
Other (449)
Calls pretending to be government, businesses, or family and friends (125)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 217 — cities & rate centres

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