231 Area Code
Among the Michigan cities area code 231 serves are Big Rapids, Cadillac, Grant, Kalkaska, Ludington, Manistee, Muskegon, Petoskey, and Traverse City. The area code was was created in June 1999 as a split from area code 616. It encompasses the northern half of the old 616 area code. The Mackinac Bridge sits on one of the area's borders, spanning the Straits of Mackinac to connect the non-contiguous Upper and Lower peninsulas of the state of Michigan. in the 1800's the lumber industry dominated this area including the city of Cadillac, drawing in a large immigrant labor force, most of whom were Swedish.
Area code 231 covers 110 cities in Michigan. 11 area codes are used by Michigan for approximately 10003422 residents. Its in the Eastern Time Zone.8 service providers including, Centennial Wireless, At&t Mobility, Usa Mobility, Telnet Worldwide, Sprint Nextel, Multiple Ocn, Verizon Wireless, Local Exchange, and more service this area code through 1911 telephone exchanges.
Other Michigan Area Codes:
248 269 313 517 586 616 734 810 906 947 989
Recently Searched 231 #'s:
| Phone | City | Carrier | Type |
| 231-854-3039 | Hesperia | Verizon North - Mi | Landline |
| 231-876-9237 | Cadillac | At&t Michigan | Landline |
| 231-766-5519 | Muskegon | Verizon North - Mi | Landline |
| 231-767-1746 | Muskegon | Verizon North - Mi | Landline |
| 231-824-3911 | Manton | At&t Michigan | Landline |
| 231-228-5361 | Glen Lake (cedar - Empire - Glen Arbor) | Centurylink | Landline |
| 231-882-9743 | Beulah | At&t Michigan | Landline |
| 231-755-6964 | Muskegon | Verizon North - Mi | Landline |
| 231-796-4653 | Big Rapids | At&t Michigan | Landline |
| 231-745-2130 | Baldwin | At&t Michigan | Landline |
| 231-798-1059 | Muskegon | Verizon North - Mi | Landline |
| 231-834-0105 | Grant | At&t Michigan | Landline |