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).

  • 2404504800 | +1 240-450-4800 Maryland U.S.A.
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  • 2404504855 | +1 240-450-4855 Maryland U.S.A.
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  • 2404504860 | +1 240-450-4860 Maryland U.S.A.
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  • 2404504881 | +1 240-450-4881 Maryland U.S.A.
  • 2404504882 | +1 240-450-4882 Maryland U.S.A.
  • 2404504883 | +1 240-450-4883 Maryland U.S.A.
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  • 2404504885 | +1 240-450-4885 Maryland U.S.A.
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  • 2404504897 | +1 240-450-4897 Maryland U.S.A.
  • 2404504898 | +1 240-450-4898 Maryland U.S.A.
  • 2404504899 | +1 240-450-4899 Maryland U.S.A.

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    e.g. 111-222-3333

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