What cities are covered by Area Code 209?

Area Code 209 covers cities such as Stockton, Modesto, Merced, Tracy, Manteca, Turlock, Los Banos, Lodi, Ceres, and Atwater.

When was Area Code 209 implemented?

Area Code 209 was implemented on October 26, 1957.

What is the significance of the overlay Area Code 350?

The overlay Area Code 350 was introduced to ensure sufficient numbering resources for the region, requiring a transition to 1+10-digit dialing.

Which major carriers provide service in Area Code 209?

Area Code 209 is serviced by various major carriers offering landline, wireless, and VoIP services, although specific carrier market shares are not detailed.

What is the North American Numbering Plan (NANP)?

The North American Numbering Plan (NANP) is a telephone numbering plan that encompasses 20 countries, including the United States, and assigns area codes like 209.

What historical changes have occurred with Area Code 209?

Historical changes include its creation in 1957, the split forming Area Code 559 in 1998, and the introduction of the overlay Area Code 350 in 2022.

What are the dialing requirements for Area Code 209?

Dialing requirements for Area Code 209 include 1+10-digit dialing due to the overlay area code 350.

How does Area Code 209 impact local communities?

Area Code 209 is crucial for communication in the northern Central Valley, supporting both agricultural and urban communities.

What was the original area code from which 209 was created?

Area Code 209 was created from the original Area Code 415.

What is the latitude and longitude of Stockton, CA, within Area Code 209?

The latitude and longitude of Stockton, CA, are 37.9577 and -121.29078, respectively.

What changes occurred to Area Code 209 on November 14, 1998?

On November 14, 1998, the southern portion of Area Code 209 split to form Area Code 559.

What are the technical specifications of Area Code 209?

Area Code 209 is a single NPA code implemented in California on October 26, 1957.

How does Area Code 209 accommodate a growing population?

Area Code 209 accommodates a growing population through the introduction of overlay Area Code 350 and transitioning to 1+10-digit dialing.

What is the primary industry in the region covered by Area Code 209?

The primary industry in the region covered by Area Code 209 is agriculture, along with urban development in its cities.

How does the introduction of Area Code 350 affect dialing in Area Code 209?

The introduction of Area Code 350 requires all calls to be dialed with 1+10 digits to ensure proper routing.

What is the significance of October 24, 2021, for Area Code 209?

October 24, 2021, marks the transition to 1+10-digit dialing in Area Code 209.

Where can I find more information about Area Code 209?

More information about Area Code 209 can be found by visiting the North American Numbering Plan Administrator (NANPA) website.

Comprehensive Guide to California's Area Code 209: Coverage, Cities, and Dialing

Q: Why was the transition to 10-digit dialing necessary in Area Code 209?

The transition to 10-digit dialing was necessary due to the designation of 988 as the National Suicide Prevention Hotline, requiring changes in dialing procedures.

Area Code 209 is a fundamental part of California's telecommunications network, covering a diverse region in the northern Central Valley. This guide explores everything you need to know about Area Code 209, from its geographic coverage to its regulatory framework and historical milestones.

What is Area Code 209?

Area Code 209 is a significant telephone area code within the North American Numbering Plan (NANP), primarily serving California's northern Central Valley, including the San Joaquin Valley and the Sierra Foothills. This area code encompasses several major cities and communities, making it a vital part of the state's communication infrastructure.

Geographic Coverage of Area Code 209

Area Code 209 serves a wide range of cities in California's northern Central Valley. Here are some of the key cities within this area code:

Stockton, CA
Modesto, CA
Merced, CA
Tracy, CA
Manteca, CA
Turlock, CA
Los Banos, CA
Lodi, CA
Ceres, CA
Atwater, CA

These cities are part of a bustling region known for its agricultural productivity and growing urban centers.

Technical Specifications

NPA Code: 209
Type: Single
Implementation Date: October 26, 1957
State: California

Dialing and Regulatory Information

Dialing Requirements

With the introduction of the overlay area code 350, dialing requirements have shifted to 1+10-digit dialing. This change ensures that all calls are properly routed within the region.

Regulatory Framework

The North American Numbering Plan Administrator (NANPA) oversees the regulation of Area Code 209. The transition to 10-digit dialing was necessitated by the designation of 988 as the National Suicide Prevention Hotline.

Historical Milestones

October 26, 1957: Area Code 209 was created from the original Area Code 415.
November 14, 1998: The southern portion of Area Code 209 split to form Area Code 559.
October 24, 2021: Transition to 1+10-digit dialing.
November 28, 2022: Introduction of overlay Area Code 350.

Network Infrastructure and Services

Major Carriers

Area Code 209 is serviced by a variety of major carriers, offering a range of services including landline, wireless, and VoIP. Although specific carrier market shares are not detailed, these services are crucial for maintaining robust communication networks across the region.

Conclusion

Area Code 209 is an essential component of California's telecommunications landscape, adapting over time to meet the needs of a growing population and evolving regulatory requirements. With its extensive coverage of key cities and communities, this area code remains a critical hub for communication in the northern Central Valley.

For more detailed information, visit the North American Numbering Plan Administrator (NANPA). You can also explore related articles on California's telecommunications infrastructure to gain further insights into the state's area codes and their impact on local communities.

Additional Area Code Data

Area Code	City	State	Latitude	Longitude
209	Atwater	California	37.34772	-120.60908
209	Ceres	California	37.59493	-120.95771
209	Lodi	California	38.1302	-121.27245
209	Los Banos	California	37.05828	-120.84992
209	Manteca	California	37.79743	-121.21605
209	Merced	California	37.30216	-120.48297
209	West Modesto	California	37.61754	-121.03914
209	Stockton	California	37.9577	-121.29078
209	Tracy	California	37.73987	-121.42618
209	Turlock	California	37.49466	-120.84659

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