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).

  • 3015566200 | +1 301-556-6200 Maryland U.S.A.
  • 3015566201 | +1 301-556-6201 Maryland U.S.A.
  • 3015566202 | +1 301-556-6202 Maryland U.S.A.
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  • 3015566211 | +1 301-556-6211 Maryland U.S.A.
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  • 3015566218 | +1 301-556-6218 Maryland U.S.A.
  • 3015566219 | +1 301-556-6219 Maryland U.S.A.
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  • 3015566281 | +1 301-556-6281 Maryland U.S.A.
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