What cities are included in area code 410?

Area code 410 includes cities such as Annapolis, Baltimore, Columbia, and Salisbury in Maryland.

When was area code 410 introduced?

Area code 410 was introduced on October 6, 1991.

Which major carriers operate in area code 410?

Major carriers in area code 410 include Verizon, Comcast, and Cavalier Telephone.

What types of services are available under area code 410?

Services offered under area code 410 include landline, wireless, and VoIP.

What is the projected exhaust date for area code 410?

The projected exhaust date for area code 410 is 2030.

What was the original area code for Maryland before 410?

The original area code for Maryland was 301 before 410 was introduced.

Is ten-digit dialing required for local calls in area code 410?

Yes, ten-digit dialing is mandatory for local calls in area code 410.

What are the overlay area codes for 410?

The overlay area codes for 410 are 443 and 667.

How many total numbers are available in area code 410?

There are 24 million total numbers available in area code 410.

What is the significance of area code 410 in Maryland?

Area code 410 is crucial for telecommunications in Maryland, particularly in the Baltimore metropolitan area and the Eastern Shore.

Where can I find a comprehensive list of cities covered by area code 410?

A comprehensive list of cities covered by area code 410 can be found on the official Maryland state website.

What historical changes have occurred with area code 410?

Historical changes include its introduction in 1991, the overlay of area code 443 in 1997, and the addition of area code 667 in 2012.

Why was area code 410 created?

Area code 410 was created to meet the increasing demand for telephone numbers in Maryland.

What is the North American Numbering Plan (NANP)?

The North American Numbering Plan (NANP) is a telephone numbering plan that encompasses 24 countries, including the United States, Canada, and several Caribbean nations.

Are there any additional resources for learning about area codes in Maryland?

Yes, additional resources include the Maryland State Government website and the FCC Area Codes Information page.

What are the benefits of having overlay area codes like 443 and 667?

Overlay area codes like 443 and 667 provide additional numbering resources without changing existing numbers, ensuring continued support for communication needs.

How does the introduction of area code 410 relate to the growth in telecommunications?

The introduction of area code 410 relates to telecommunications growth by addressing the increased demand for phone numbers as the population and technology usage expanded.

Can I find regulatory information about area code 410 on the FCC website?

Yes, regulatory information about area code 410 can be found on the FCC website.

What is the importance of ten-digit dialing in area code 410?

Ten-digit dialing is important in area code 410 to accommodate the overlay area codes and ensure efficient routing of calls.

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.

Phone Validator