Area Code 414: Comprehensive Guide to Milwaukee's Telephone Area Code
Area code 414 is a key telephone area code within the North American Numbering Plan (NANP), primarily serving Milwaukee and its surrounding regions in Wisconsin.
Technical Specifications of Area Code 414
- NPA Code: 414
- Type: Single
- Implementation Date: October 1947
- State: Wisconsin
Geographic Coverage
Area code 414 encompasses all of Milwaukee County, including the city of Milwaukee. It extends to parts of Waukesha County, covering areas such as Muskego and Brookfield, and includes the industrial "Ambrosia triangle" within Milwaukee city limits. The Milwaukee portion of Washington County is also part of 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)
Numbering and Utilization Statistics
- Total Numbers Available: Not specified
- Utilization Rate: Not specified
- Exhaust Projection: No projected exhaust date, expected stability for at least 30 years
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: Adheres to NANPA guidelines 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.
Conclusion
Area code 414 is integral to Wisconsin's telecommunications network, serving the Milwaukee area and beyond. With no projected exhaust date, it remains a stable and crucial component of the North American Numbering Plan.
For further details, visit the official Wikipedia page on Area Code 414.