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Area code 861

Area code 861 Peoria, Illinois

Area code 861 is one of the newer area codes, added in 2023 to Illinois, with numbers assigned in Peoria, Pekin, Danvers and 2 more places. It’s 11:14 PM there now.

State
Illinois17 area codes in Illinois
Time zone
Central11:14 PM there now
Exchanges
85 places
Overlay
309Same area, 10-digit dialing
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Where area code 861 is

Numbers in 861 are assigned to 5 places in 4 counties: Peoria County, Rock Island County, Tazewell County and McLean County.

Peoria holds most of them: 50% of the exchanges.

  • Peoria4
  • Pekin1
  • Danvers1
  • Rock Island1
  • Moline1

Phone companies in 861

8 blocks of numbers in 861 are held by 6 phone companies. The most belong to Exiant Communications (3), Opentact (1) and Intrado Communications (1).

A large share, about 100%, belongs to competitive and internet phone carriers; wireless networks hold 0% and local phone and cable companies 0%.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

861 went into service in 2023, added to the area of 309.

309 (since 1957) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

8 new exchanges were assigned since 2021, the latest in October 2026.

Calling 861

It’s 11:14 PM Central time in 861 right now.

From elsewhere in the U.S., dial 1, 861 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Illinois has 17 area codes: 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 861 and 872.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 861 area code

Map of the 861 area code around Peoria, Pekin and Danvers, Illinois.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 861

Where is area code 861?

In Illinois, covering Peoria, Pekin and Danvers and other places across 4 counties.

What time zone is 861 in?

Central time. It was 11:14 PM there when this page loaded.

Is 861 an overlay?

Yes. 309 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 861 numbers?

6 companies hold blocks; the most belong to Exiant Communications, Opentact and Intrado Communications. About 0% of blocks are wireless.

Is 861 running out of numbers?

Not on record. 8 new exchanges have been assigned since 2021.