443 Area Code

Area code 443 is an area code that covers Eastern Maryland, including Baltimore. Area code 443 overlays the area code of 410 and 667.

Maryland has area codes of 227, 240, 301, 410, 443, 667.

Counties that Use 443 Area Code

Major Cities that Use 443 Area Code

All Cities & Towns that Use 443 Area Code

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Where is 443 area code?

The following map shows the coverage of 443 area code. The coverage area is shown in green.

Area code map of the entire U.S.