AREA CODE
231
Area code 231 serves Michigan, United States. Eastern Time. In service since June 1999, split from 616.
Michigan
Area code 231 · United States · Eastern Time
- Serves
- Michigan, United States
- Time zone
- Eastern TimeAmerica/New_York
- In service
- June 1999
- History
- Split from 616
- Dialing
- (231) 555-0100·+1 231 555 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/2315550100?deep=true" \
-H "X-Api-Key: $PARSEAPI_KEY"