City of Washington


301 Area code: Washington, District of Columbia - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3014583600 | +1 301-458-3600 Maryland U.S.A.
  • 3014583601 | +1 301-458-3601 Maryland U.S.A.
  • 3014583602 | +1 301-458-3602 Maryland U.S.A.
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  • 3014583681 | +1 301-458-3681 Maryland U.S.A.
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