What cities are included in the 414 area code?

The 414 area code includes cities such as Milwaukee, Franklin, Greenfield, South Milwaukee, Oak Creek, Wauwatosa, and West Allis in Wisconsin.

When was area code 414 implemented?

Area code 414 was implemented in October 1947.

What counties does area code 414 cover?

Area code 414 covers Milwaukee County, parts of Waukesha County, and the Milwaukee portion of Washington County.

Which telecommunications carriers operate in area code 414?

Major carriers in area code 414 include AT&T, Verizon, T-Mobile, and US Cellular.

What type of services are available under area code 414?

Services available under area code 414 include landline, wireless, and VoIP.

Why did area code 414 transition to ten-digit dialing?

Area code 414 transitioned to ten-digit dialing on October 24, 2021, due to the designation of 988 for the National Suicide Prevention Lifeline.

What is the historical significance of area code 414?

Area code 414 was one of the original area codes established for Wisconsin in 1947 and has undergone several splits to create new area codes.

What is the regulatory body overseeing area code 414?

The regulatory body overseeing area code 414 is the North American Numbering Plan Administration (NANPA).

Has area code 414 ever been split?

Yes, area code 414 has been split multiple times, creating area codes 608 in 1955, 920 in 1997, and 262 in 1999.

Does area code 414 have a projected exhaust date?

There is no projected exhaust date for area code 414, and it is expected to remain stable for at least 30 years.

What is the NPA code for Milwaukee's main area code?

The NPA code for Milwaukee's main area code is 414.

What kind of dialing is required for area code 414?

Ten-digit dialing is required for area code 414.

Which state is served by area code 414?

Area code 414 serves the state of Wisconsin.

How has area code 414 changed over the years?

Area code 414 has undergone several changes, including splits to create new area codes and transitioning to ten-digit dialing.

What is the significance of the Ambrosia triangle in area code 414?

The Ambrosia triangle is an industrial area within Milwaukee city limits that is covered by area code 414.

Where can I find more information about area code 414?

More information about area code 414 can be found on its official Wikipedia page.

What are the geographic coordinates for Greenfield, WI in area code 414?

The geographic coordinates for Greenfield, WI in area code 414 are 42.9614, -88.01259.

What changes occurred in area code 414 in 2021?

In 2021, area code 414 transitioned to ten-digit dialing to accommodate the designation of 988 for the National Suicide Prevention Lifeline.

Is area code 414 part of the North American Numbering Plan?

Yes, area code 414 is part of the North American Numbering Plan (NANP).

What is the utilization rate of area code 414?

The utilization rate of area code 414 is not specified in the provided content.

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)

Telecommunications Infrastructure

Major Carriers

AT&T
Verizon
T-Mobile
US Cellular

Available Services

Landline
Wireless
VoIP

Regulatory Framework

Regulatory Body: North American Numbering Plan Administration (NANPA)
Dialing Requirements: Transitioned to ten-digit dialing as of October 24, 2021
NANPA Regulations: Complies with NANPA standards for area code assignments and exhaust projections

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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