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  5. Area Code 517

Where Is Area Code 517?

Area code 517 is found in the US state of Michigan. Primarily servicing the city of Lansing (population: 130504), area code 517 covers 12 counties of Michigan.

Located in the Eastern time zone, area code 517 is on the same time as New York, NY.

Area code 517 was brought into effect on January 1, 1947.

Map of  with area code 517 highlighted

Counties in Area Code 517

  • Barry,
  • Branch,
  • Calhoun,
  • Clinton,
  • Eaton,
  • Hillsdale,
  • Ingham,
  • Ionia,
  • Jackson,
  • Lenawee,
  • Livingston,
  • Shiawassee.

Most Populous Cities in Area Code 517

City County City Population Time Zone
Lansing Ingham 130,504 EST
Jackson Jackson 104,169 EST
East Lansing Ingham 77,055 EST
Howell Livingston 58,278 EST
Adrian Lenawee 40,935 EST
Lansing Eaton 32,139 EST
Coldwater Branch 24,109 EST
Charlotte Eaton 21,230 EST
Holt Ingham 20,492 EST
Okemos Ingham 20,207 EST
Grand Ledge Eaton 18,981 EST
Mason Ingham 18,652 EST
Dewitt Clinton 16,777 EST
Eaton Rapids Eaton 16,009 EST
Hillsdale Hillsdale 15,098 EST
Tecumseh Lenawee 14,662 EST
Albion Calhoun 14,129 EST
Fowlerville Livingston 13,649 EST
Haslett Ingham 12,528 EST
Williamston Ingham 11,221 EST
Brooklyn Jackson 10,457 EST
Portland Ionia 10,195 EST
Grass Lake Jackson 8,720 EST
Laingsburg Shiawassee 7,712 EST
Perry Shiawassee 7,699 EST

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.

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This page was last updated on July 3, 2015.