What time zone is area code 313 in?

Area code 313 uses Eastern Time.

What area codes overlay 313?

679 serves the same area as 313. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 313 a scam?

The area code alone doesn’t tell you. Most calls from 313 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 313 number, let it go to voicemail.

When did area code 313 start?

313 went into service in 1947. It was created from area code 313.

Can a 313 number be outside Michigan?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 313 caller can be anywhere.

Area code 313

Where is area code 313?

Detroit, Dearborn and Redford Charter Township, Michigan

Local time: … (Eastern Time)

State	Michigan
Country	United States
Main cities	Detroit, Dearborn and Redford Charter Township
Time zone	Eastern Time
Overlay area codes	679
In service since	1947 (created from 313)
Assigned prefixes	769
Dialing format	(313) XXX-XXXX · +1 313 XXX XXXX from abroad

Look up a 313 number

Cities and towns in area code 313

Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 313.

Detroit, MI (615)
Dearborn, MI (144)
Redford Charter Township, MI (4)
Taylor, MI (4)
Highland Park, MI (1)
Lincoln Park, MI (1)

Phone companies in area code 313

The carriers that hold the most 313 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.

Prefixes	Carrier
244	Michigan Bell Tel Co (AT&T)
141	Omnipoint Communications Midwest Operations (T-Mobile)
95	New Cingular Wireless PCS (AT&T)
54	Verizon Wireless
28	Bandwidth.com CLEC
25	Mcimetro Access Transmission Services
25	Onvoy, Llcv
24	American Messaging Services

All 769 prefixes in area code 313

Pick the 3 digits after the area code to see that prefix’s city and carrier.

Area codes that overlay 313

Questions

Where is area code 313?: Area code 313 is in Michigan. It serves Detroit, Dearborn, Redford Charter Township, Taylor and Highland Park and 1 other cities and towns.
What time zone is area code 313 in?: Area code 313 uses Eastern Time.
What area codes overlay 313?: 679 serves the same area as 313. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.
Is a call from area code 313 a scam?: The area code alone doesn’t tell you. Most calls from 313 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 313 number, let it go to voicemail.
When did area code 313 start?: 313 went into service in 1947. It was created from area code 313.
Can a 313 number be outside Michigan?: Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 313 caller can be anywhere.

Other area codes in Michigan

Area code	Main cities
231	Muskegon, Traverse City and Petoskey
248	Pontiac, Troy and Southfield
269	Kalamazoo, Battle Creek and Benton Harbor
517	Lansing, Jackson and Adrian
586	Clinton Twp, Sterling Heights and Saint Clair Shores
616	Grand Rapids, Holland and Grand Haven
734	Ann Arbor, Livonia and Westland
810	Flint, Lapeer and Port Huron
906	Marquette, Iron Mountain and Escanaba
947	Ortonville, Clarkston and Troy
989	Saginaw, Midland and Bay City