CitysDirectory

City of Herndon

240 Area code: Herndon, Fairfax - 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).

  • 2403355000 | +1 240-335-5000 Maryland U.S.A.
  • 2403355001 | +1 240-335-5001 Maryland U.S.A.
  • 2403355002 | +1 240-335-5002 Maryland U.S.A.
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  • 2403355004 | +1 240-335-5004 Maryland U.S.A.
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  • 2403355071 | +1 240-335-5071 Maryland U.S.A.
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  • 2403355074 | +1 240-335-5074 Maryland U.S.A.
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  • 2403355080 | +1 240-335-5080 Maryland U.S.A.
  • 2403355081 | +1 240-335-5081 Maryland U.S.A.
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  • 2403355086 | +1 240-335-5086 Maryland U.S.A.
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  • 2403355098 | +1 240-335-5098 Maryland U.S.A.
  • 2403355099 | +1 240-335-5099 Maryland U.S.A.

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