What is the primary area covered by area code 404?

Area code 404 primarily covers the city of Atlanta and its immediate suburbs within the perimeter of Interstate 285.

When was area code 404 established?

Area code 404 was established in 1947 as one of the original area codes in the North American Numbering Plan.

Which major cities are included in area code 404?

Major cities in area code 404 include Atlanta, Candler-McAfee, College Park, East Point, Forest Park, Sandy Springs, and Tucker.

What type of area code is 404?

Area code 404 is an overlay type area code, meaning it shares the same geographic region with other area codes.

What carriers provide service in area code 404?

Major carriers in area code 404 include AT&T Inc. (formerly BellSouth), Verizon, T-Mobile, and Sprint.

How many telephone numbers are available in area code 404?

There are approximately 7.92 million telephone numbers available in area code 404, spread across 792 central offices.

What is the utilization rate of area code 404?

The utilization rate of area code 404 is high and nearing exhaustion.

When is area code 404 projected to be exhausted?

Area code 404 was projected to be exhausted by 2022, prompting the introduction of area code 943.

Does area code 404 require ten-digit dialing?

Yes, area code 404 requires ten-digit dialing in compliance with standard NANPA regulations.

What historical events are significant for area code 404?

Significant events include its establishment in 1947, reassignment of southern Georgia to area code 912 in 1954, northern Georgia to area code 706 in 1992, and introduction of overlays 678 in 1998, 470 in 2001, and 943 in 2022.

What is the NPA code for area code 404?

The NPA (Numbering Plan Area) code for area code 404 is 404 itself.

What is number pooling in relation to area code 404?

Number pooling is a method of allocating phone numbers to carriers in blocks smaller than the traditional 10,000 numbers, which helps manage the utilization rate of area code 404.

Why were additional area codes introduced in Atlanta?

Additional area codes like 678, 470, and 943 were introduced to accommodate the growing population and demand for telephone numbers in the Atlanta region.

What is the significance of area code 404 in Atlanta?

Area code 404 is a cornerstone of Atlanta's telecommunications network, reflecting both its historical significance and modern communication demands.

What is an overlay in telephone area codes?

An overlay is a type of area code that covers the same geographic area as an existing area code, allowing for more phone numbers without changing existing numbers.

How has area code 404 changed over time?

Area code 404 has seen changes like the reassignment of certain regions to new area codes and the introduction of overlays to manage number exhaustion.

What is the relationship between area code 404 and area code 943?

Area code 943 was introduced as an overlay to area code 404 in 2022 to provide additional numbering resources.

Where can I find more information about area code 404?

More information about area code 404 can be found on the North American Numbering Plan Administrator's website.

What is the geographic location of Atlanta in relation to area code 404?

Atlanta, located at coordinates 33.749, -84.38798, is the primary city covered by area code 404.

Understanding Area Code 404: Atlanta's Key Telephone Code

Area code 404 is an integral part of Atlanta, Georgia's telecommunications landscape. This guide will provide comprehensive insights into its coverage, history, and the services it supports.

What is Area Code 404?

Area code 404 is a telephone area code in the North American Numbering Plan (NANP) that primarily covers the city of Atlanta and its immediate suburbs. Established in 1947, it is one of the original area codes and remains vital to the region's communication infrastructure.

Geographic Coverage of Area Code 404

Area code 404 serves the bustling city of Atlanta and its nearby suburbs within the perimeter of Interstate 285.

Major Cities in Area Code 404

Atlanta, Georgia (33.749, -84.38798)
Candler-McAfee, Georgia (33.72672, -84.27246)
College Park, Georgia (33.65344, -84.44937)
East Point, Georgia (33.67955, -84.43937)
Forest Park, Georgia (33.62205, -84.36909)
Sandy Springs, Georgia (33.92427, -84.37854)
Tucker, Georgia (33.85455, -84.21714)

Technical Details and Infrastructure

NPA Code and Overlay

NPA Code: 404
Type: Overlay
Implementation Date: 1947

Network Infrastructure

Major carriers operating within area code 404 include:

AT&T Inc. (formerly BellSouth)
Verizon
T-Mobile
Sprint

These carriers provide various services such as landline, wireless, and VoIP.

Numbering and Utilization

Total Numbers Available: Approximately 7.92 million (792 central offices)
Utilization Rate: High, nearing exhaustion
Exhaust Projection: 2022 (with the introduction of NPA 943)

Regulatory Information

Area code 404 is regulated by the Georgia Public Service Commission. The region requires ten-digit dialing, complying with standard NANPA regulations and number pooling.

Historical Context

1947: Area code 404 was established as one of the original area codes in the NANP.
1954: Southern Georgia was reassigned to area code 912.
1992: Northern Georgia was reassigned to area code 706.
1995: Atlanta suburbs were reassigned to area code 770.
1998: Area code 678 was introduced as an overlay.
2001: Area code 470 was added to the overlay.
2022: Area code 943 was added to the overlay.

Conclusion

Area code 404 is a cornerstone of Atlanta's telecommunication network, reflecting both historical significance and modern demands. As the population and technology continue to evolve, new area codes are introduced to meet the growing needs.

For more information, visit the North American Numbering Plan Administrator.

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By understanding area code 404, residents and businesses can better navigate Atlanta's dynamic communication environment.

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