Area Code 410: Maryland Cities, Coverage, and Telecommunication Insights
Area code 410 is a fundamental part of the North American Numbering Plan (NANP), serving the eastern half of Maryland, notably the Baltimore metropolitan area and the Eastern Shore.
What is Area Code 410 and Where is it Located?
Area code 410 is designated for the eastern region of Maryland. It was introduced on October 6, 1991, to meet the increasing demand for telephone numbers. This area code covers key locations such as the Baltimore metropolitan area and the Eastern Shore.
Geographic Coverage
Area code 410 encompasses a wide range of cities in Maryland. Here are some of the major cities:
- Annapolis, MD
- Baltimore, MD
- Columbia, MD
- Salisbury, MD
For a comprehensive list of cities, visit the official Maryland state website.
Numbering and Utilization
- Total Numbers Available: 24 million
- Projected Exhaust Date: 2030
Network Infrastructure
Major Carriers
- Verizon
- Comcast
- Cavalier Telephone
Services Offered
- Landline
- Wireless
- VoIP
Regulatory Framework
Area code 410 is regulated by the North American Numbering Plan Administration (NANPA). In this region, ten-digit dialing is mandatory for local calls.
Historical Milestones
- 1947: Maryland was initially assigned area code 301.
- 1991: Introduction of area code 410, splitting from 301.
- 1997: Area code 443 was overlaid onto 410.
- 2012: Area code 667 was added as an overlay to 410/443.
Conclusion
Area code 410 is crucial to Maryland's telecommunications, providing ample numbering resources for the Baltimore metropolitan area and the Eastern Shore. Strategic overlays like 443 and 667 have ensured the ongoing support of the region's communication needs.
For more detailed information on area codes and their management, visit the Federal Communications Commission (FCC) website.