Area code 443
Area code 443 is a telephone area code in the North American Numbering Plan. It serves Maryland, the United States.
- 443area code
- MDMaryland
- UScountry
- 1-Jun-97in service
How to dial a 443 number
From within the United States and Canada, dial 1, then 443, then the seven-digit number. From another country, dial your international access code, then +1 443 and the seven-digit number.
Area code 443 covers the same territory as 410 and 667. When several area codes share one area like this, it is called an overlay.
Other area codes in Maryland
Frequently asked questions
Where is area code 443?
Area code 443 serves Maryland, the United States.
What is the country code for a 443 number?
Numbers with North American area codes use the country calling code +1.