AREA CODE
312
Area code 312 serves Illinois, United States. Central Time. In service since January 1947.
Illinois
Area code 312 · United States · Central Time
- Serves
- Illinois, United States
- Time zone
- Central TimeAmerica/Chicago
- In service
- January 1947
- Overlay complex
- 312872
- Dialing
- (312) 555-0100·+1 312 555 0100
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/3125550100?deep=true" \
-H "X-Api-Key: $PARSEAPI_KEY"