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Area code 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan, History.
Our area code lookup makes it easy to find area codes in Indiana. Includes area code listings of all Indiana area codes with corresponding cities.
U.S. Route 231 (US 231) is the longest numbered highway in Indiana, covering over 284 miles (457 km). It is a main north–south highway in the western part of the state. The southern terminus of US 231 in Indiana is at the Kentucky state line and the northern terminus is at US 41 just south of St. John. The highway is a mixture of expressway ...
Find 231 area code details including city, time zone, and map. Lookup area code 231 phone number, name, and location.
Area codes by City – 524 cities. Get a full list of Indiana area codes. Check out the area’s map, the current time, and area codes listed by city.
To find information on a specific area code, use the area code lookup that makes it easy to find an area code by number and gives detailed information including city/state, timezone, and area code maps.
There are 8 active area codes in the state of Indiana. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Indiana. The first table below shows the most populated cities in Indiana with the area codes listed next to them.
