Area code · MI
313 area code
The 313 area code serves Detroit, Michigan. Look up a specific 313 number, check spam reports, and stop spam calls automatically.
schedule2 min readUpdated May 15, 2026By the Halo team
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Location
Detroit, MI
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Timezone
Eastern
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State
Michigan
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Major cities
Detroit, Dearborn
ABOUTAbout the 313 area code
The 313 area code is assigned to Detroit, Michigan. Phone numbers with this area code are used by residents and businesses in the Detroit metropolitan area and surrounding communities.
If you've received an unwanted call from a 313 area code number, use the Halo phone lookup tool to check if it has been reported as spam. Halo AI blocks 99% of spam calls at the network level, protecting you from robocalls, scams, and telemarketers before they ever reach your phone.
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