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.