Area Code 231: Comprehensive Guide to Michigan's Northwestern Region
Area code 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan.
Overview of Area Code 231
Area code 231 serves the northwestern Lower Peninsula of Michigan. Established in June 1999, it was created from a split of the 616 area code. This area code covers key locations such as Muskegon and Norton Shores, supporting both residential and business communications.
Basic Technical Specifications
- NPA Code: 231
- Type: Single
- Implementation Date: June 1999
- State: Michigan
Geographic Data
- Coordinates: 44.5°N, 85.5°W
- Area Served: Northwestern Lower Peninsula of Michigan, including parts of Northern Michigan and West Michigan.
Numbering Statistics
- Total Numbers Available: [Number]
- Utilization Rate: [Percentage]
- Exhaust Projection: [Date]
Network Infrastructure
Regulatory Framework
- Regulatory Body: North American Numbering Plan Administration (NANPA)
- Dialing Requirements: 10-digit dialing for local calls
- NANPA Regulations: Area code splits and overlays are managed to ensure number availability and efficient use.
Historical Technical Milestones
- June 1999: Area code 231 was created by splitting from area code 616, which previously served the entire western half of the Lower Peninsula of Michigan.
Conclusion
Area code 231 is a vital part of Michigan's telecommunications network, serving the northwestern Lower Peninsula with a range of services and robust infrastructure. It supports major cities like Muskegon and Norton Shores, ensuring efficient communication channels for both personal and business use.
For more information on area codes and their management, visit the Federal Communications Commission (FCC) website.