The state of Maryland is served by the following area codes:
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Area codes | Numbering plan area |
---|---|
227 240 301 |
western Maryland, including its suburbs of Washington, D.C. |
410 443 667 |
eastern Maryland including Baltimore and Annapolis |
The state of Maryland is served by the following area codes:
Area codes | Numbering plan area |
---|---|
227 240 301 |
western Maryland, including its suburbs of Washington, D.C. |
410 443 667 |
eastern Maryland including Baltimore and Annapolis |