Where is Area Code 734?

Max of Michigan with area code 734 highlighted

Area code 734 is found in the US state of Michigan. Primarily servicing the city of Ann Arbor (population: 161170), area code 734 covers 4 counties of Michigan.

Located in the Eastern time zone, area code 734 is on the same time as New York, NY.

Area code 734 was brought into effect on December 13, 1997. 734 was split from the parent 313 area code.

Counties in Area Code 734

  • Livingston,
  • Monroe,
  • Washtenaw,
  • Wayne.

Most Populous Cities in Area Code 734

City County City Population
Ann Arbor Washtenaw 161,170
Ypsilanti Washtenaw 101,090
Livonia Wayne 95,438
Canton Wayne 88,775
Westland Wayne 82,819
Monroe Monroe 55,456
Trenton Wayne 42,512
Belleville Wayne 41,664
Plymouth Wayne 39,408
Romulus Wayne 31,026
Southgate Wayne 29,581
Garden City Wayne 27,236
Wyandotte Wayne 25,481
Saline Washtenaw 21,829
Temperance Monroe 21,569
Flat Rock Wayne 21,082
Pinckney Livingston 21,035
Wayne Wayne 17,369
Riverview Wayne 15,380
Dexter Washtenaw 14,677
Milan Washtenaw 13,916
Whitmore Lake Washtenaw 13,828
Chelsea Washtenaw 12,776
Rockwood Wayne 12,503
Newport Monroe 11,494

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.