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).

  • 3019454500 | +1 301-945-4500 Maryland U.S.A.
  • 3019454501 | +1 301-945-4501 Maryland U.S.A.
  • 3019454502 | +1 301-945-4502 Maryland U.S.A.
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  • 3019454567 | +1 301-945-4567 Maryland U.S.A.
  • 3019454568 | +1 301-945-4568 Maryland U.S.A.
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  • 3019454574 | +1 301-945-4574 Maryland U.S.A.
  • 3019454575 | +1 301-945-4575 Maryland U.S.A.
  • 3019454576 | +1 301-945-4576 Maryland U.S.A.
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  • 3019454597 | +1 301-945-4597 Maryland U.S.A.
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  • 3019454599 | +1 301-945-4599 Maryland U.S.A.