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Area Code 313: Everything You Need to Know About Detroit's Iconic Code
Explore Area Code 313's technical details, serving Detroit & Wayne County since 1947. Covers NANPA regulations, telecom carriers (AT&T 40%, Verizon 30%), & service types. Includes numbering statistics, like the 70% utilization rate and projected 2025 exhaust date. Learn about its geographic coverage.
Area Code 313: Everything You Need to Know About Detroit's Iconic Code
Area Code 313 is synonymous with Detroit, Michigan, serving as a vital part of the region's telecommunications infrastructure. This guide will address common questions about Area Code 313, including its geographic coverage, the cities it serves, and its regulatory framework.
What is Area Code 313?
Area Code 313 is a telephone area code in the North American Numbering Plan (NANP) that serves Detroit and its surrounding areas in Wayne County, Michigan. Established in October 1947, it is one of the original area codes and remains a significant identifier for the city.
Geographic Coverage of Area Code 313
Area Code 313 covers the city of Detroit and several neighboring suburbs. Here are some of the major cities within this area code:
| City | Latitude | Longitude |
|---|---|---|
| Allen Park, MI | 42.25754 | -83.21104 |
| Dearborn, MI | 42.32226 | -83.17631 |
| Dearborn Heights, MI | 42.33698 | -83.27326 |
| Detroit, MI | 42.33143 | -83.04575 |
| Hamtramck, MI | 42.39282 | -83.04964 |
| Inkster, MI | 42.2942 | -83.30993 |
| Lincoln Park, MI | 42.25059 | -83.17854 |
| Redford, MI | 42.38337 | -83.2966 |
| Taylor, MI | 42.24087 | -83.26965 |
Technical Specifications
- NPA Code: 313
- Type: Single
- Implementation Date: October 1947
- State: Michigan
Numbering Statistics
- Total Numbers Available: Approximately 7.8 million
- Utilization Rate: 70%
- Projected Exhaust Date: 2025
Telecom Carriers and Services
Leading Carriers
- AT&T: 40%
- Verizon: 30%
- T-Mobile: 20%
- Sprint: 10%
Service Types
- Landline
- Wireless
- VoIP
Regulatory Framework
Area Code 313 is regulated by the North American Numbering Plan Administration (NANPA). It adheres to regulations concerning number allocation and exhaust planning. Local calls require 10-digit dialing.
Historical Milestones
- October 1947: Area Code 313 was among the original 86 area codes assigned.
- December 1, 1993: Northern portion split to form Area Code 810.
- December 13, 1997: Western portion split to form Area Code 734.
- February 2000: Area Code 679 reserved as a future overlay for 313.
- April 2000: Implementation of overlay 679 was suspended.
Conclusion
Area Code 313 is not just a number; it's a symbol of Detroit's rich history and dynamic future. As the city continues to grow, Area Code 313 plays a crucial role in ensuring seamless communication. For more detailed information, visit the NANPA official website.
For further reading, explore related articles on telecommunications infrastructure and area code history to deepen your understanding of how these systems support modern communication.
Frequently Asked Questions
What cities are covered by area code 313 Detroit?
Area code 313 covers Detroit and surrounding suburbs in Wayne County, Michigan, including Allen Park, Dearborn, Dearborn Heights, Hamtramck, Inkster, Lincoln Park, Redford, and Taylor.
When was area code 313 established in Detroit?
Area code 313 was established in October 1947 as one of the original North American area codes.
Why is 313 the area code for Detroit?
Area code 313 was assigned to Detroit as part of the original North American Numbering Plan (NANP) in 1947.
What is the area code 313 NPA?
The NPA (Numbering Plan Area) code for area code 313 is simply 313.
What area codes were created from Detroit's 313?
Area code 810 (December 1993) and area code 734 (December 1997) were split from the original 313 area code to accommodate growth.
Is 313 an overlay area code?
While area code 679 was reserved as a future overlay for 313 in February 2000, its implementation was suspended in April 2000, so 313 currently remains a standalone area code.
How many phone numbers are available in area code 313?
Area code 313 has approximately 7.8 million available phone numbers, with a current utilization rate of about 70%.
When is area code 313 expected to run out of numbers?
Based on current projections, area code 313 was estimated to exhaust available numbers around 2025.
What are the major telecom carriers in area code 313?
Major telecom carriers serving area code 313 include AT&T, Verizon, T-Mobile, and Sprint.
Who regulates area code 313 Detroit Michigan?
Area code 313 is regulated by the North American Numbering Plan Administration (NANPA).
What types of phone services use area code 313?
Area code 313 supports landline, wireless, and VoIP phone services.
Is 10-digit dialing required for local calls in area code 313?
Yes, 10-digit dialing (including the area code) is required for all local calls within area code 313.
What does the area code 313 represent?
Area code 313 is a significant identifier of Detroit, symbolizing its history and connection to its community.
What area code is Detroit Michigan?
Detroit, Michigan, primarily uses area code 313. Established in October 1947, it's one of the original North American area codes and serves the city and surrounding areas in Wayne County.
What cities are covered by area code 313?
Area code 313 covers Detroit and surrounding suburbs like Allen Park, Dearborn, Dearborn Heights, Hamtramck, Inkster, Lincoln Park, Redford, and Taylor, all located in Wayne County, Michigan.
When was area code 313 created?
Area code 313 was created in October 1947 as one of the original 86 area codes in the North American Numbering Plan. It has seen some splits to form area codes 810 and 734.
Why does Detroit use area code 313?
Detroit uses area code 313 because it was assigned as one of the original area codes in 1947. Despite later splits to create area codes 810 and 734, 313 remains the primary area code for Detroit.
How to dial a number in area code 313?
Local calls within area code 313 require 10-digit dialing, including the area code and the seven-digit phone number. This follows regulations set by the North American Numbering Plan Administration (NANPA).
What is the area code 313 overlay?
Area code 679 was reserved in February 2000 to be an overlay for 313, but its implementation was suspended in April 2000. Area code 313 does not currently have an active overlay code.
What area codes were split from 313?
Area codes 810, serving Flint and the northern portion of the original 313 area, was split off in 1993. Area code 734 covering the western portion, including Ann Arbor, was split off in 1997.
Who regulates area code 313?
Area code 313 is regulated by the North American Numbering Plan Administration (NANPA), which manages number allocation and exhaustion planning for all area codes in the North American Numbering Plan.
What is the NPA for Detroit?
The Numbering Plan Area (NPA) code for Detroit is 313. This code, established in 1947, is essential for routing calls to Detroit and its surrounding areas within the North American Numbering Plan.
Can I get a new 313 number?
While the article doesn't confirm current availability, approximately 7.8 million numbers exist within area code 313. Contact a local telecommunications provider like AT&T, Verizon, T-Mobile, or Sprint to check availability.
What is the future of area code 313?
The article mentions a 70% utilization rate for the 313 area code and a previously projected exhaustion date of 2025. However, it does not provide up-to-date information regarding current exhaustion projections.