Question 1

What is the primary area covered by area code 404?

Accepted Answer

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

Question 2

When was area code 404 established?

Accepted Answer

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

Question 3

Which major cities are included in area code 404?

Accepted Answer

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

Question 4

What type of area code is 404?

Accepted Answer

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

Question 5

What carriers provide service in area code 404?

Accepted Answer

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

Question 6

How many telephone numbers are available in area code 404?

Accepted Answer

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

Question 7

What is the utilization rate of area code 404?

Accepted Answer

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

Question 8

When is area code 404 projected to be exhausted?

Accepted Answer

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

Question 9

Who regulates area code 404?

Accepted Answer

Area code 404 is regulated by the Georgia Public Service Commission.

Question 10

Does area code 404 require ten-digit dialing?

Accepted Answer

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

Question 11

What historical events are significant for area code 404?

Accepted Answer

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.

Question 12

What is the NPA code for area code 404?

Accepted Answer

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

Question 13

What is number pooling in relation to area code 404?

Accepted Answer

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.

Question 14

Why were additional area codes introduced in Atlanta?

Accepted Answer

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

Question 15

What is the significance of area code 404 in Atlanta?

Accepted Answer

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

Question 16

What is an overlay in telephone area codes?

Accepted Answer

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.

Question 17

How has area code 404 changed over time?

Accepted Answer

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.

Question 18

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

Accepted Answer

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

Question 19

Where can I find more information about area code 404?

Accepted Answer

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

Question 20

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

Accepted Answer

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

Question 21

What impact did the introduction of area code 943 have on the 404 area?

Accepted Answer

The introduction of area code 943 as an overlay to area code 404 helped alleviate the nearing exhaustion of available phone numbers in the Atlanta region.

Question 22

How does the Georgia Public Service Commission impact phone services within area code 404?

Accepted Answer

The Georgia Public Service Commission regulates telecommunication services within area code 404, ensuring compliance with NANPA regulations and number pooling practices.

Question 23

Besides Atlanta, which other notable suburbs are serviced by the 404 area code?

Accepted Answer

Besides Atlanta, area code 404 also provides phone services to notable suburbs like Sandy Springs, College Park, and East Point.

Question 24

How did the creation of area codes 770, 678, and 470 affect the original 404 area code?

Accepted Answer

The creation of area codes 770, 678, and 470 reduced the geographic size of the original 404 area code while also providing more phone numbers to the Atlanta metropolitan area through overlays.

Question 25

In what ways do major carriers like Verizon and T-Mobile support area code 404?

Accepted Answer

Major carriers such as Verizon and T-Mobile support area code 404 by providing essential telecommunication services, including landline, wireless, and VoIP options, to residents and businesses.

Question 26

What role does the North American Numbering Plan Administrator (NANPA) play in managing area code 404?

Accepted Answer

The North American Numbering Plan Administrator (NANPA) oversees the allocation and administration of telephone numbering resources, including area code 404, ensuring efficient and equitable distribution.

Question 27

How did the introduction of overlay area codes help manage the increasing demand for phone numbers in Atlanta?

Accepted Answer

The introduction of overlay area codes, such as 678, 470, and 943, allowed the Atlanta region to add more phone numbers without requiring existing customers to change their numbers, addressing the increasing demand.

Question 28

What specific regulations apply to telephone services operating within area code 404?

Accepted Answer

Telephone services in area code 404 are subject to regulations set by the Georgia Public Service Commission and must comply with North American Numbering Plan Administration (NANPA) standards, including ten-digit dialing.

Understanding Area Code 404: Atlanta's Key Telephone Code

What is Area Code 404?

Geographic Coverage of Area Code 404

Major Cities in Area Code 404

Technical Details and Infrastructure

NPA Code and Overlay

Network Infrastructure

Numbering and Utilization

Regulatory Information

Historical Context

Conclusion

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