Area Code 414: Everything You Need to Know About Milwaukee's Main Area Code - area-code -

Area Code 414: Everything You Need to Know About Milwaukee's Main Area Code

Area code 414 is a significant telephone area code in the North American Numbering Plan (NANP), primarily serving Milwaukee and surrounding regions in Wisconsin. This guide provides detailed insights into its coverage, history, and telecommunications framework.

Overview of Area Code 414

Technical Specifications

  • NPA Code: 414
  • Type: Single
  • Implementation Date: October 1947
  • State: Wisconsin

Geographic Coverage

Area code 414 covers all of Milwaukee County, including the city of Milwaukee. It also extends to parts of Waukesha County, such as Muskego and Brookfield, and includes the industrial "Ambrosia triangle" within Milwaukee city limits. The Milwaukee portion of Washington County is also under this area code.

Major Cities in Area Code 414

  • Franklin, WI (42.88863, -88.03842)
  • Greenfield, WI (42.9614, -88.01259)
  • South Milwaukee, WI (42.91057, -87.86064)
  • Oak Creek, WI (42.88585, -87.86314)
  • Wauwatosa, WI (43.04946, -88.00759)
  • West Allis, WI (43.01668, -88.00703)

Map of Wisconsin showing area codes

Telecommunications Infrastructure

Major Carriers

  • AT&T
  • Verizon
  • T-Mobile
  • US Cellular

Available Services

  • Landline
  • Wireless
  • VoIP

Regulatory Framework

Historical Milestones

  • October 1947: Area code 414 was established as one of the original area codes for Wisconsin.
  • 1955: Split to create area code 608.
  • July 26, 1997: Split to create area code 920.
  • September 25, 1999: Split to create area code 262.
  • October 24, 2021: Transitioned to ten-digit dialing due to the designation of 988 for the National Suicide Prevention Lifeline.

Numbering and Utilization

  • Total Numbers Available: Not specified
  • Utilization Rate: Not specified
  • Exhaust Projection: No projected exhaust date, expected stability for at least 30 years

Conclusion

Area code 414 remains a vital component of Wisconsin's telecommunications framework, serving the Milwaukee area and beyond. With no projected exhaust date, it continues to be a stable and essential part of the North American Numbering Plan.

For more detailed information, visit the official Wikipedia page on Area Code 414.

Looking for more information on area codes? Check out our guides on Area Code 920 and Area Code 262.

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