AREA CODE
861
Area code 861 serves Illinois, United States. Central Time. In service since February 2023 as an overlay of 309.
Illinois
Area code 861 · United States · Central Time
- Serves
- Illinois, United States
- Time zone
- Central Time
- In service
- February 2023
- Overlay complex
- 309861
Parse it
Parse a number for validity, line type, and clean formats. Add deep=true for its numbering-plan state and time zone, included on every plan.
curl -s "https://api.parseapi.com/phone/8615550100?deep=true" \
-H "X-Api-Key: $PARSEAPI_KEY"