Area code 414

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Map of Wisconsin showing area codes

North American telephone area code 414 is a state of Wisconsin area code which was created along with area code 715 as one of the two original area codes assigned to Wisconsin in October 1947. Currently, the 414 area code is nearly exclusive to Milwaukee County, including the city of Milwaukee. However, a few small portions of Muskego and Brookfield, in Waukesha County, along with the small industrial "Ambrosia triangle" which is a part of Milwaukee in southeast Waukesha County as well as the SE corner of Washington County are also part of this area code.

The 414 area code originally covered most of the southern and northeastern portions of Wisconsin, with 715 covering the northwest. It was first split in 1955, when much of the western portion (including Madison) was split off as 608. This configuration remained in place until July 26, 1997, when the northern half (including Green Bay and the Fox River Valley) became the 920 area code.

The creation of 920 was intended as a long-term solution, but within a year 414 was close to exhaustion once again due to the proliferation of cell phones and pagers. In 1998, NANPA assigned area code 262 as a second area code for southeastern Wisconsin. The initial proposal called for 262 to be an overlay for the 414 territory. However, overlays were a new concept at the time, and met with considerable resistance due to the requirement for ten-digit dialing. Additionally, several Milwaukee businesses objected to the possible expense of changing their numbers. As a result, it was decided to implement 262 as a geographic split, with nearly all of the old 414 territory outside of Milwaukee County getting the new area code. The split took effect on September 25, 1999.

Area code 414 is one of only a few urban area codes that is without an overlay; only seven digits are needed for local calls within the county. This makes Milwaukee one of the largest cities where seven-digit dialing is still possible. The latest projections did not list an exhaust date for 414.[1] Despite the Milwaukee area's rapid growth, 414 is nowhere near exhausted.

The area code gained infamy in 1983, when a gang of six Milwaukee-area teenagers calling themselves The 414s broke into several high-profile computer systems across the United States and Canada.

The City of Milwaukee started celebrating Milwaukee Day in 2009. It is celebrated on April 14, or 4-14, in honor of Milwaukee's 414 area code.

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Wisconsin area codes: 262, 414, 534/715, 608, 920
North: 262
West: 262 Area Code 414 East: Lake Michigan, 616
South: 262
Michigan area codes: 231, 248/947, 269, 313, 517, 586, 616, 734, 810, 906, 989