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Area code 313 is a telephone area code of the North American Numbering Plan serving Detroit and most of its closest suburbs in Wayne County, Michigan. It includes the enclave cities Hamtramck and Highland Park, as well as Allen Park, Dearborn, Dearborn Heights, Ecorse, the Grosse Pointe communities, Harper Woods, Inkster, Melvindale ...
- List of North American Numbering Plan area codes - Wikipedia
Each NPA is identified by one or more numbering plan area...
- Area code 313 - Simple English Wikipedia, the free encyclopedia
Map of Michigan area codes. Area code 313 is the area code...
- List of North American Numbering Plan area codes - Wikipedia
Map of Michigan area codes. Area code 313 is the area code for Detroit, Michigan and most of Wayne County. It is one of the first area codes, created in October 1947. Michigan area codes: 231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989. North: 248/947, 586.
Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay .
CodeTerritory Or UseDate200not in use; available for non-geographic ...easily recognizable code (ERC)New Jersey ( Bergen County and Hudson ...19471947Southwestern Connecticut ( Bridgeport, ...1947This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 313 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D. Area code 679 has been reserved as a future overlay to the 313 area.
24. Mai 2024 · 313 is an area code in Michigan, US, serving Detroit and nearby cities. Learn about its location, time zone, map, and daylight saving time schedule.
- UTC/GMT -4:00 hours
- EDT
- UTC/GMT -5:00 hours
Area code 313 is a telephone area code of the North American Numbering Plan serving Detroit and most of its closest suburbs in Wayne County, Michigan. It includes the enclave cities Hamtramck and Highland Park, as well as Allen Park, Dearborn, Dearborn Heights, Ecorse, Inkster, Melvindale, the Grosse Pointe communities, Lincoln Park, Redford ...
The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period. The program had the goal of speeding the connecting times for long-distance calling by eliminating intermediary telephone operators.