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.