Area Code 734 — Ann Arbor, Michigan

734 Area Code – Ann Arbor, Michigan: Location, Time Zone & History

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About Area Code 734

Region Code
734
City
Ann Arbor
State
Michigan
Largest City
Ann Arbor
Neighboring Codes
  • 313 (Detroit, Michigan)
  • 248 (Troy, Michigan)
  • 517 (Lansing, Michigan)
  • 419 (Toledo, Ohio)
  • 519 (London, Ontario)
Time Zone
Eastern Time

Map of Area Code 734

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History & Cultural Notes

University of Michigan football weekends fill the streets of Ann Arbor, the anchor city of area code 734. The code was created by a geographic split of area code 313 effective December 13, 1997, taking the western portion of the old 313 territory -- Ann Arbor and Washtenaw County, Monroe County, and the western and downriver stretches of Wayne County -- as 313 was reduced to the Detroit core.

Unlike its Detroit-area sibling, the 313/679 complex, 734 has never required an overlay since its creation. The university remains the region's largest employer, and the territory also carries a strong automotive and mobility research identity: Toyota Motor North America runs its R&D headquarters here, and Ypsilanti Township is home to the American Center for Mobility, a 500-acre proving ground for autonomous and connected-vehicle testing.

Detroit Metropolitan Wayne County Airport, one of the busier airports in the Midwest, sits within 734's borders in Romulus, alongside cities such as Ypsilanti, Livonia, Canton, Plymouth, Monroe, and Westland.