Area Code 443
Local Presence for Baltimore, Dundalk, Ellicott City, Towson, and Aberdeen
You can increase your connection rate up to 30% by dialing from a local number.
Local Presence by Tenfold gives you one-click access from your existing phone system to a local number in the US area code 443 and more than 200 others.
Reach out to customers in Baltimore, Dundalk, Ellicott City, Towson, and Aberdeen.
Source: Wikipedia