of Maryland introduces the 410 area code in the Baltimore metropolitan area, the entire Eastern Shore, Calvert County and most of Carroll, Howard and Anne Arundel counties. But phone customers can continue to use 301 during the transition year until Nov.

Is area code 410 a toll free number?

No. The (410) Area Code is not a toll-free number.

Can I block an area code?

You can block these types of calls. In the app tap on the Block List (circle with the line through it along the bottom.) Then tap on the “+” and select “Numbers that begin with.” You can then input any area code or prefix you want. You can also block by country code this way.

Area code 410 is an area code that covers Eastern Maryland, including Baltimore. Maryland has area codes of 227, 240, 301, 410, 443, 667.