Area code 861
Illinois, United States · 7 prefixes · 4 exchanges · 5 carriers
Largest exchanges
- Peoria4
- Pekin1
- Rockisland1
- Moline1
Largest carriers
- Exiant Communications LLC3
- Opentact Inc.1
- Intrado Communications, LLC1
- 8x8, Inc.1
- Ahoi LLC1
Most reported 861 numbers
No visitor reports yet in this area code.