313 Area Code

Area Code 313
State Michigan
Country United State
Code Type General Purpose Code
In Service Yes
Timezone Eastern Standard Time (EST)
Overlay Complex 313/679
Assignment Date 01-JAN-47
In Service Date 01-JAN-47
Area Code 313

What is the 313 Area Code?

Area code 313 is located in Michigan, within United State, serving the region's residents and businesses. The 313 area code was first assigned in 01-JAN-47 and has been in service since 01-JAN-47.

The 313 area code is part of an overlay complex, which includes the area codes 313/679. These codes all serve the same geographic region.

Cities in Area Code 313

Allen Park
Dearborn
Dearborn Heights
Detroit
Ecorse
Grosse Pointe
Grosse Pointe Park
Grosse Pointe Woods
Hamtramck
Harper Woods
Highland Park
Inkster
Lincoln Park
Melvindale
River Rouge
Taylor

Area codes of Michigan
Area codes of Michigan

Further Details on the 313 Area Code

Where is the 313 Area Code Located?

Area code 313 serves the entire state of Michigan in United State, providing phone services to both residential and business users. It covers urban, suburban, and rural areas alike, ensuring reliable communication across the region.

What time zone is area code 313 in?

Area code 313 is located in the Eastern Standard Time (EST) time zone. This designation indicates the predominant time zone for calls made within this area code.

When was area code 313 assigned and put into service?

Area code 313 was officially assigned on 01-JAN-47, signifying its designation for use in telecommunications, and it became operational on 01-JAN-47, allowing callers to begin using this area code for their dialing needs.

Is the 313 Area Code Still Active?

Yes, the 302 area code is still active and in service. It is the primary area code for all landline and mobile phones registered in Delaware. There are no overlay codes currently in place for the state.

What are the dialing requirements for making calls with area code 313?

For local calls within area code 313, the required dialing pattern is 7D. For toll calls, you'll need to dial 1+10D , where "D" indicates the number of digits to dial. When calling foreign NPAs from area code 313, local calls require 10D, and toll calls use 1+10D.

Data Sources: NANPA Area Code, U.S. Area Code Map