What is the history behind area code 317?

Area code 317 was established in 1947 as part of the North American Numbering Plan. It originally covered northern Indiana but was reduced to central Indiana in 1948, with further reductions in 1997 when area code 765 was introduced.

Which cities are included in area code 317?

Area code 317 covers cities such as Indianapolis, Carmel, Fishers, Greenwood, Lawrence, and Noblesville.

What is the significance of area code 317 in Indiana?

Area code 317 is significant as it serves the Indianapolis metropolitan area and central Indiana, playing a vital role in local and long-distance communication.

When was the overlay area code 463 introduced?

The overlay area code 463 was introduced in 2016, requiring mandatory ten-digit dialing in the region.

Why was ten-digit dialing implemented for area code 317?

Ten-digit dialing was implemented in 2016 due to the introduction of the overlay area code 463 to ensure sufficient numbering capacity for the growing population.

What are the main telecommunications carriers in area code 317?

The main carriers include AT&T, Verizon, T-Mobile, and Sprint, providing robust connectivity across landline, wireless, and VoIP services.

What type of services are available under area code 317?

Services available include landline, wireless, and VoIP communications.

Has area code 317 ever been split or changed?

Yes, area code 317 was split in 1948 and 1997 to create area codes 219 and 765, respectively.

Is area code 317 expected to run out of numbers soon?

The exhaust projection for area code 317 was originally set for 2017, but the introduction of area code 463 has alleviated immediate concerns.

How does area code 317 impact local businesses?

Area code 317 provides essential communication infrastructure that supports local businesses in Indianapolis and surrounding areas.

What is the current utilization rate of area code 317?

The specific utilization rate for area code 317 is not specified in the article.

What counties are covered by area code 317?

Area code 317 covers central Indiana, including Indianapolis and nine surrounding counties.

What is the role of the Indiana Utility Regulatory Commission (IURC) in area code management?

The IURC oversees the implementation and regulation of area codes, including 317, ensuring compliance with national standards and addressing local numbering needs.

Why was area code 765 introduced?

Area code 765 was introduced in 1997 to cover areas that were previously part of area code 317, helping to manage the demand for new phone numbers.

What is the NPA code for area code 317?

The NPA (Numbering Plan Area) code for area code 317 is 317 itself.

What are some major attractions in Indianapolis within area code 317?

Indianapolis, within area code 317, is known for attractions like the Indianapolis Motor Speedway, the Indianapolis Zoo, and the Children's Museum of Indianapolis.

How does area code 317 affect residential communication?

Area code 317 facilitates reliable communication services for residents, including landline and mobile phone connectivity.

What is the significance of the year 1947 for area code 317?

The year 1947 marks the establishment of area code 317 as part of the initial rollout of area codes under the North American Numbering Plan.

How does area code 317 support emergency services?

Area code 317 provides the necessary infrastructure to ensure that emergency services, such as police, fire, and medical services, have reliable communication capabilities.

Area Code 317: Everything You Need to Know

Q: Who regulates area code 317?

Area code 317 is regulated by the Indiana Utility Regulatory Commission (IURC) in compliance with North American Numbering Plan Administration (NANPA) regulations.

Quick Answer: Area code 317 covers central Indiana, including Indianapolis and nearby counties. Established in 1947, it plays a vital role in local telecommunications.

What is Area Code 317?

Area code 317 is part of the North American Numbering Plan (NANP) and has been serving central Indiana, particularly the Indianapolis metropolitan area, since 1947. This area code is essential for both local and long-distance communication within the region.

Key Details

NPA Code: 317
Type: Overlay with area code 463
State: Indiana
Dialing Requirement: Mandatory ten-digit dialing since October 2016

Geographic Coverage of Area Code 317

Where is Area Code 317 Located?

Area code 317 primarily covers the central part of Indiana, with its heart in Indianapolis. The area code extends to nine surrounding counties, providing a comprehensive communication network for the region.

Major Cities in Area Code 317

Indianapolis: The state capital and largest city, known for its rich history and vibrant culture.
Carmel: Recognized for its arts and design district.
Fishers: A rapidly growing suburb with a family-friendly atmosphere.
Greenwood: Offers a mix of suburban and urban living.
Lawrence: Known for Fort Harrison State Park.
Noblesville: Features a historic downtown and parks.

Technical and Network Insights

Network Infrastructure

Area code 317 is supported by major telecommunications carriers, ensuring robust connectivity across various services:

AT&T
Verizon
T-Mobile
Sprint

Services Offered

Landline
Wireless
VoIP

Numbering Details

Total Numbers Available: Not specified
Utilization Rate: Not specified
Exhaust Projection: Originally projected for 2017

Regulatory Framework and Historical Context

Who Regulates Area Code 317?

The Indiana Utility Regulatory Commission (IURC) oversees the implementation and regulation of area code 317, ensuring compliance with NANPA regulations.

Historical Milestones

1947: Initial implementation covering northern Indiana.
1948: Geographic reduction to central Indiana, with northern areas reassigned to area code 219.
1997: Further reduction with the introduction of area code 765.
2016: Introduction of area code 463 as an overlay, requiring ten-digit dialing.

Conclusion

Area code 317 remains a crucial part of Indiana’s telecommunications landscape, effectively supporting the communication needs of Indianapolis and its surrounding areas. The introduction of the overlay area code 463 ensures that the region can meet growing numbering demands while maintaining compliance with regulatory standards.

Further Information

For more insights on area codes and telecommunications, visit the North American Numbering Plan Administration. Explore related articles to deepen your understanding of Indiana's telecom infrastructure.