Caller ID for
Area code 517
Area code 517 Lansing, Michigan
Area code 517 is one of the original 1947 area codes, in Michigan, with numbers assigned in Lansing, Jackson, Adrian and 61 more places. It’s 12:13 AM there now.
- State
- Michigan13 area codes in Michigan
- Time zone
- Eastern12:13 AM there now
- Exchanges
- 61664 places
- Overlay
- NoneThe only code for its area
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 517 is
Numbers in 517 are assigned to 64 places in 14 counties: Eaton County, Ingham County, Clinton County, Jackson County, Lenawee County, Hillsdale County, plus 8 more.
Lansing has the most, 27% of the exchanges; the rest are spread across 63 other places.
- Lansing164
- Jackson63
- Adrian27
- Howell27
- Coldwater16
- Hillsdale15
- Charlotte15
- Holt13
- Dimondale12
- Fowlerville11
- Mason11
- Albion11
- Dansville8
- Grand Ledge8
- Portland7
- Eaton Rapids7
- Tecumseh7
- Leslie6
- DeWitt6
- Hudson6
- Jonesville6
- Litchfield5
- Potterville5
- Addison5
Phone companies in 517
616 blocks of numbers in 517 are held by 55 phone companies. The most belong to AT&T (105), Verizon Wireless (61) and Frontier (56).
A large share, about 44%, belongs to competitive and internet phone carriers; wireless networks hold 25% and local phone and cable companies 31%.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
517 has been in service since 1947, when the first North American area codes were set up.
56 new exchanges were assigned since 2021, the latest in August 2026.
Calling 517
It’s 12:13 AM Eastern time in 517 right now.
From elsewhere in the U.S., dial 1, 517 and the 7-digit number.
Nearby area codes
Michigan has 13 area codes: 231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947 and 989.
- 734 · Ann Arbor, MI · about 47 mi
- 947 · Ortonville, MI · about 60 mi
- 248 · Pontiac, MI · about 62 mi
- 269 · Kalamazoo, MI · about 65 mi
- 810 · Flint, MI · about 71 mi
- 616 · Grand Rapids, MI · about 71 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
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Questions about 517
Where is area code 517?
In Michigan, covering Lansing, Jackson and Adrian and other places across 14 counties.
What time zone is 517 in?
Eastern time. It was 12:13 AM there when this page loaded.
Is 517 an overlay?
No. 517 is the only area code for its area right now.
Which phone companies have 517 numbers?
55 companies hold blocks; the most belong to AT&T, Verizon Wireless and Frontier. About 25% of blocks are wireless.
Is 517 running out of numbers?
Not on record. 56 new exchanges have been assigned since 2021.