Area Code 517
Local Presence for Lansing, Bay City, Jackson, Howell, and Adrian
You can increase your connection rate up to 30% by dialing from a local number.
Local Presence by Tenfold gives you one-click access from your existing phone system to a local number in the US area code 517 and more than 200 others.
Reach out to customers in Lansing, Bay City, Jackson, Howell, and Adrian.
Source: Wikipedia