Area Code 313 — Detroit, MI

Everything you need to know about area code 313 in Michigan

At a Glance

LOCATION
Detroit

Michigan

TIMEZONE
Eastern

Eastern Time Zone

ESTABLISHED
1947

Original area code

POPULATION
~700,000

Estimated residents served

STATE
MI

Michigan

TYPE
Geographic

Primary code for this region

Area Code 313: Detroit, Michigan

Area code 313 covers Detroit, Michigan and surrounding areas including Dearborn. One of the original 1947 area codes, it serves the Motor City, historically the center of the American automotive industry.

Phone numbers with the 313 area code follow the format (313) XXX-XXXX, where the next three digits represent the local exchange. The 313 area code is part of the North American Numbering Plan (NANP) and is regulated by the Federal Communications Commission (FCC).

If you receive a call from a 313 number that you don't recognize, you can search it using the lookup tool above. While the 313 area code legitimately serves millions of residents and businesses in the Detroit area, scammers sometimes spoof local area codes to make their calls appear more trustworthy. Always verify unfamiliar numbers before returning calls or sharing personal information.

The Detroit region served by area code 313 is one of the most significant areas in Michigan. As a primary geographic code, 313 has been the main identifier for this region since the original numbering plan was established.

For detailed information about any phone number in the 313 area code, including owner identification, carrier data, and spam reports, use our search tool above or visit one of our trusted lookup providers.

Areas Served by 313

DetroitDearborn

Common Scam Calls from 313 Numbers

These are frequently reported scam patterns from phone numbers using the 313 area code. Scammers often spoof area codes, so a call appearing to come from 313 may originate elsewhere.

SOCIAL SECURITY SCAM

Callers claim your Social Security number has been suspended due to suspicious activity and demand personal information to reactivate it.

WARRANTY EXTENSION

Robocalls claim your car warranty is expiring and pressure you into purchasing expensive and unnecessary extended coverage.

UTILITY SHUTOFF THREAT

Callers impersonate your electric or gas company, threatening immediate service disconnection unless payment is made by phone.

Stay Safe: Never share personal information with incoming callers. If suspicious, hang up and search the number above.

Questions About Area Code 313

Area code 313 serves Detroit, Michigan. Area code 313 covers Detroit, Michigan and surrounding areas including Dearborn. One of the original 1947 area codes, it serves the Motor City, historically the center of the American automotive industry.

Area code 313 is in the Eastern timezone. Calls from 313 numbers originate from the Detroit region.

Not necessarily. Area code 313 serves many people in Detroit. However, scammers can spoof any area code. If you receive a suspicious call from a 313 number, search it above before calling back.

Area code 313 was one of the original area codes established in 1947. It serves as the primary geographic code for its region.

Nearby Area Codes

248Troy 616Grand Rapids

Getting Unknown Calls From 313?

If you received an unknown call from a 313 number, use our dedicated lookup page to identify the caller and check for scam reports.

Who Called Me From 313? →
Phone Number Spoofing Explained → Home Security Phone Scams → Rfid Blocking Wallets Guide →

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