Area code 231
Area code 231 is registered to Muskegon, MI.
- Registered region
- Muskegon, MI
- State / province
- Michigan
- Country
- United States
- Timezone
- Eastern Time
- Local time
- —
Registration metadata only — this is the number's registered rate-center region, never a live location or an identity.
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About area code 231
Split from area code 616 in 1999.
Common questions
- Which country is area code 231?
- 231 is a US area code, registered to Muskegon, MI. How +1 numbers work
- What time zone is area code 231 in?
- Eastern Time (America/Detroit). The current local time is shown above.
- Who is calling me from a 231 number?
- An area code only shows where a number was registered, not who is calling or where they are — calling apps let anyone use a 231 number from anywhere. Before you call back, check the number's carrier, line type and spam risk.