What is the purpose of Area Code 443?

Area Code 443 was introduced as an overlay to Area Code 410 to provide a sufficient supply of phone numbers in the Maryland region.

Does Area Code 443 cover the entire state of Maryland?

No, Area Code 443 covers specific parts of Maryland, including cities like Annapolis, Baltimore, Columbia, and Ellicott City.

Is Area Code 443 the only area code for Annapolis?

No, Annapolis is also covered by Area Code 410, as 443 is an overlay for it.

What is an overlay area code?

An overlay area code is a code that is introduced to cover the same geographic area as an existing area code, allowing for more phone numbers without changing existing numbers.

How do I know if a phone number is from Area Code 443?

A phone number with the initial three digits of 443 is from the area covered by Area Code 443 in Maryland.

What dialing procedures should I follow for Area Code 443?

For local calls, dial the 10-digit number. For toll calls, dial 1 followed by the 10-digit number. For operator assistance, dial 0 followed by the 10-digit number.

What are the standard dialing formats for Area Code 443?

The standard dialing formats include HNPA LOCAL (10 digits), HNPA TOLL (1+10 digits), FNPA LOCAL (10 digits), and FNPA TOLL (1+10 digits).

How does the overlay of Area Code 443 affect existing phone numbers?

The overlay does not affect existing phone numbers; it simply provides additional numbers for the same geographic area.

Can I keep my phone number if I move to a different city within Area Code 443?

Yes, you can typically keep your phone number when moving within the same area code, though this depends on your service provider.

Are there any special regulatory considerations for Area Code 443?

Area Code 443 follows the standard regulations and procedures set forth by the North American Numbering Plan.

What is the significance of Annapolis within Area Code 443?

Annapolis is the capital of Maryland and a key city within Area Code 443, known for its historical and maritime significance.

How does Area Code 443 relate to the North American Numbering Plan?

Area Code 443 is part of the North American Numbering Plan, which standardizes phone numbers across the United States and other countries.

Is Area Code 443 used for both landlines and mobile phones?

Yes, Area Code 443 can be used for both landline and mobile phone numbers.

What should I do if I receive a call from Area Code 443?

If you receive a call from Area Code 443, it is likely from someone located in Maryland, specifically in the Annapolis or Baltimore areas.

How does Area Code 443 impact businesses in Maryland?

Area Code 443 provides businesses with additional phone number options, facilitating communication and expansion within the region.

Are there any other area codes that overlap with 443 in Maryland?

Yes, Area Code 410 overlaps with 443, serving the same geographic region in Maryland.

What is the geographic location of Area Code 443?

Area Code 443 is located in Maryland, United States, with coordinates approximately at latitude 38.97845 and longitude -76.49218.

How do area codes like 443 help manage telecommunications?

Area codes like 443 help organize phone numbers geographically, making it easier to allocate and manage telecommunications resources efficiently.

Area Code 443: Comprehensive Guide to Annapolis, Maryland

Q: When was Area Code 443 created?

Area Code 443 was created in 1997.

Area Code 443: Everything You Need to Know

Area Code 443 is primarily associated with Annapolis, Maryland. This area code serves a significant portion of Maryland and is part of the North American Numbering Plan. Understanding the details of Area Code 443 can be crucial for businesses, residents, and those planning to visit or move to the area.

Where is Area Code 443 Located?

Area Code 443 covers parts of Maryland, including the city of Annapolis. Annapolis is the capital of Maryland and is known for its rich history and maritime culture. The area code itself was introduced as an overlay to Area Code 410, allowing for more phone numbers in the region.

Key Cities in Area Code 443

Annapolis
Baltimore
Columbia
Ellicott City

Geographic and Demographic Information

State: Maryland
Country: United States
Latitude: 38.97845
Longitude: -76.49218

Telecommunications and Regulatory Information

Area Code 443 follows the standard dialing procedures in the United States, which include:

Standard HNPA LOCAL: 10 digits
Standard HNPA TOLL: 1+10 digits
Standard FNPA LOCAL: 10 digits
Standard FNPA TOLL: 1+10 digits

For operator assistance, the dialing format is 0+10 digits.

Historical Background

Area Code 443 was created in 1997 as an overlay for Area Code 410 to ensure a sufficient supply of phone numbers. This means that both area codes serve the same geographic region.

Frequently Asked Questions

What cities are included in Area Code 443?

Area Code 443 includes cities such as Annapolis, Baltimore, Columbia, and Ellicott City.

How do I dial a number in Area Code 443?

For local calls, dial the 10-digit number. For toll calls, dial 1 followed by the 10-digit number.

Is Annapolis the only city in Area Code 443?

No, Annapolis is one of several cities in Area Code 443, which also covers Baltimore and other nearby areas.

Conclusion

Understanding Area Code 443 is essential for anyone living in or doing business in Maryland. With its coverage of key cities like Annapolis and Baltimore, knowing how to navigate this area code can simplify communications and business operations.

For more information, you can visit the North American Numbering Plan Administration (NANPA) or the Maryland Public Service Commission.

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