Where is area code 443 located in the United States? This question often arises for those who are trying to reach out to individuals or businesses in the Baltimore-Washington metropolitan area. Area code 443 is a significant part of the North American Numbering Plan and serves a vital region in the Mid-Atlantic United States.
Area code 443 was introduced in 2001 to meet the growing demand for telephone numbers in the Baltimore-Washington area. It was originally assigned to new numbers as area code 410, which was already at its capacity. The new area code was designed to provide additional numbers for residents and businesses in Prince George’s County, Montgomery County, and the city of Baltimore, Maryland, as well as parts of Washington, D.C.
The primary coverage area of area code 443 includes the following regions:
1. Prince George’s County, Maryland: This county is home to several major cities and towns, such as Bowie, Upper Marlboro, and Suitland. It is also home to the National Harbor, a popular waterfront entertainment district.
2. Montgomery County, Maryland: Montgomery County is one of the most affluent counties in the United States and includes cities like Rockville, Gaithersburg, and Germantown. It is also home to the National Institute of Standards and Technology (NIST) and the National Library of Medicine.
3. Baltimore, Maryland: As the largest city in Maryland, Baltimore is a bustling metropolis with a rich history and diverse culture. It is home to the Inner Harbor, a popular tourist destination, as well as numerous universities and hospitals.
4. Washington, D.C.: While not a part of Maryland, area code 443 also covers a portion of Washington, D.C., including some neighborhoods in the eastern part of the city.
The area code 443 is a testament to the growth and development of the Baltimore-Washington region. It has become an essential part of the communication infrastructure for millions of people who reside, work, or conduct business in this dynamic area. Whether you are trying to connect with a friend, family member, or colleague, knowing that area code 443 is located in the heart of the Mid-Atlantic United States can help you make that connection more easily.