Area code 861

861 is a newer area code, in service since February 24, 2023, added on top of 309. See all new area codes.

Look up a 861 number

Cities and towns in area code 861

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 861.

• Peoria, IL (4)
• Danvers, IL (1)
• Moline, IL (1)
• Pekin, IL (1)
• Rock Island, IL (1)

Phone companies in area code 861

The carriers that hold the most 861 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

All 8 prefixes in area code 861

Pick the 3 digits after the area code to see that prefix’s city and carrier.

• 222
• 333
• 444
• 666
• 777
• 880
• 888
• 999

Area codes that overlay 861

• 309

Questions

Where is area code 861?

Area code 861 is in Illinois. It serves Peoria, Danvers, Moline, Pekin and Rock Island.

What time zone is area code 861 in?

Area code 861 uses Central Time.

What area codes overlay 861?

309 serves the same area as 861. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 861 a scam?

The area code alone doesn’t tell you. Most calls from 861 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 861 number, let it go to voicemail.

When did area code 861 start?

861 went into service in 2023. It was created from area code 309.

Can a 861 number be outside Illinois?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 861 caller can be anywhere.

Other area codes in Illinois